1. WeatherSpark.com
  2. Spain
  3. Castille and León

Climate and Average Weather Year Round in Triollo Spain

In Triollo, the summers are short, comfortable, dry, and partly cloudy and the winters are long, very cold, snowy, windy, and mostly cloudy. Over the course of the year, the temperature typically varies from 25°F to 68°F and is rarely below 18°F or above 77°F.

Based on the tourism score, the best time of year to visit Triollo for warm-weather activities is from early July to mid August.

Climate in Triollo

very coldcoldcoolcomfortablecoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow72%72%29%29%overcastclearprecipitation: 2.3 inprecipitation: 2.3 in0.7 in0.7 inmuggy: 0%muggy: 0%0%0%drydrytourism score: 6.3tourism score: 6.30.00.0
Triollo weather by month. Click on each chart for more information.

The warm season lasts for 2.8 months, from June 18 to September 13, with an average daily high temperature above 62°F. The hottest month of the year in Triollo is August, with an average high of 67°F and low of 46°F.

The cold season lasts for 3.8 months, from November 15 to March 7, with an average daily high temperature below 43°F. The coldest month of the year in Triollo is January, with an average low of 26°F and high of 37°F.

Average High and Low Temperature in Triollo

Average High and Low Temperature in TriollowarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FFeb 538°FFeb 538°FAug 268°FAug 268°F25°F25°F47°F47°FJun 1862°FJun 1862°FSep 1362°FSep 1362°FNov 1543°FNov 1543°FMar 743°FMar 743°F43°F43°F43°F43°F31°F31°F28°F28°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 37°F39°F44°F47°F53°F61°F67°F67°F61°F52°F43°F38°F
Temp. 31°F32°F36°F39°F45°F52°F56°F56°F52°F45°F37°F33°F
Low 26°F26°F29°F32°F37°F42°F46°F46°F42°F37°F31°F27°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in Triollo

Average Hourly Temperature in TriolloJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowfreezingfreezingfreezingvery coldvery coldcoldcoolcomfortablefreezing
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Kodiak, Alaska, United States (5,239 miles away); Petersburg, Alaska, United States (4,927 miles); and Río Pico, Argentina (7,296 miles) are the far-away foreign places with temperatures most similar to Triollo (view comparison).

Map
Marker
© OpenStreetMap contributors

Compare Triollo to another city:

Map

In Triollo, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Triollo begins around June 11 and lasts for 3.2 months, ending around September 16.

The clearest month of the year in Triollo is July, during which on average the sky is clear, mostly clear, or partly cloudy 70% of the time.

The cloudier part of the year begins around September 16 and lasts for 8.8 months, ending around June 11.

The cloudiest month of the year in Triollo is November, during which on average the sky is overcast or mostly cloudy 69% of the time.

Cloud Cover Categories in Triollo

Cloud Cover Categories in TriolloclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 1972%Jul 1972%Nov 2229%Nov 2229%Jun 1151%Jun 1151%Sep 1651%Sep 1651%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 66%62%59%59%57%46%30%35%49%62%69%68%
Clearer 34%38%41%41%43%54%70%65%51%38%31%32%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Triollo varies throughout the year.

The wetter season lasts 8.2 months, from September 23 to May 30, with a greater than 22% chance of a given day being a wet day. The month with the most wet days in Triollo is November, with an average of 9.4 days with at least 0.04 inches of precipitation.

The drier season lasts 3.8 months, from May 30 to September 23. The month with the fewest wet days in Triollo is July, with an average of 3.4 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Triollo changes throughout the year.

Rain alone is the most common for 11 months, from February 20 to January 13. The month with the most days of rain alone in Triollo is October, with an average of 8.0 days.

Snow alone is the most common for 1.2 months, from January 13 to February 20. The month with the most days of snow alone in Triollo is January, with an average of 2.9 days.

Daily Chance of Precipitation in Triollo

Daily Chance of Precipitation in TriollosnowrainJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 1833%Nov 1833%Jul 910%Jul 910%Jan 1326%Jan 1326%Feb 2025%Feb 2025%Sep 2322%Sep 2322%May 3022%May 3022%NowNowsnowrainmixed
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 2.8d2.5d3.7d5.5d7.2d4.9d3.4d3.8d5.5d8.0d6.3d3.6d
Mixed 2.4d2.0d2.0d2.0d0.6d0.0d0.0d0.0d0.0d0.6d2.0d2.4d
Snow 2.9d2.6d1.6d0.6d0.0d0.0d0.0d0.0d0.0d0.1d1.1d2.2d
Any 8.1d7.1d7.3d8.2d7.9d4.9d3.4d3.8d5.5d8.6d9.4d8.2d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Triollo experiences some seasonal variation in monthly rainfall.

Rain falls throughout the year in Triollo. The month with the most rain in Triollo is October, with an average rainfall of 2.0 inches.

The month with the least rain in Triollo is July, with an average rainfall of 0.7 inches.

Average Monthly Rainfall in Triollo

Average Monthly Rainfall in TriolloJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 inOct 182.0 inOct 182.0 inJul 200.7 inJul 200.7 inMay 111.5 inMay 111.5 inFeb 290.7 inFeb 290.7 inNowNow
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 0.9″0.7″0.8″1.4″1.5″1.1″0.7″0.8″1.4″2.0″1.7″1.1″

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Triollo experiences significant seasonal variation in monthly snowfall.

The snowy period of the year lasts for 6.6 months, from October 20 to May 9, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Triollo is January, with an average snowfall of 8.2 inches.

The snowless period of the year lasts for 5.4 months, from May 9 to October 20. The least snow falls around August 10, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Triollo

Average Monthly Snowfall in TriollosnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in5 in5 in10 in10 in15 in15 in20 in20 inJan 308.4 inJan 308.4 inAug 100.0 inAug 100.0 inOct 201.0 inOct 201.0 inMay 91.0 inMay 91.0 inNowNow
The average snowfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average rainfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Snowfall 8.2″7.9″5.5″3.5″0.6″0.0″0.0″0.0″0.0″0.7″5.1″7.3″

The length of the day in Triollo varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 1 minute of daylight; the longest day is June 20, with 15 hours, 21 minutes of daylight.

Hours of Daylight and Twilight in Triollo

Hours of Daylight and Twilight in TriolloJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2015 hr, 21 minJun 2015 hr, 21 minJun 2012 hr, 9 minSep 2212 hr, 9 minSep 229 hr, 1 minDec 219 hr, 1 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 9.4h10.5h12.0h13.4h14.7h15.3h15.0h13.9h12.5h11.0h9.7h9.1h

The earliest sunrise is at 6:39 AM on June 15, and the latest sunrise is 2 hours, 11 minutes later at 8:49 AM on January 3. The earliest sunset is at 5:44 PM on December 8, and the latest sunset is 4 hours, 18 minutes later at 10:01 PM on June 26.

Daylight saving time (DST) is observed in Triollo during 2024, starting in the spring on March 31, lasting 6.9 months, and ending in the fall on October 27.

Sunrise & Sunset with Twilight and Daylight Saving Time in Triollo

Sunrise & Sunset with Twilight and Daylight Saving Time in TriolloJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM2 AMJun 156:39 AMJun 156:39 AM10:01 PMJun 2610:01 PMJun 26Dec 85:44 PMDec 85:44 PM8:49 AMJan 38:49 AMJan 3Mar 31DSTMar 31DSTDSTOct 27DSTOct 27daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray. The transitions to and from daylight saving time are indicated by the 'DST' labels.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in Triollo

Solar Elevation and Azimuth in TriolloJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM0000101010202020303030404050606000010101010202020303040405050602471NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases in Triollo

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The perceived humidity level in Triollo, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 0% throughout.

Humidity Comfort Levels in Triollo

Humidity Comfort Levels in TriolloJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 180%Feb 180%Aug 190%Aug 190%NowNowdrydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Triollo experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 7.2 months, from October 3 to May 9, with average wind speeds of more than 8.5 miles per hour. The windiest month of the year in Triollo is January, with an average hourly wind speed of 10.2 miles per hour.

The calmer time of year lasts for 4.8 months, from May 9 to October 3. The calmest month of the year in Triollo is August, with an average hourly wind speed of 6.7 miles per hour.

Average Wind Speed in Triollo

Average Wind Speed in TriollowindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mphDec 2810.4 mphDec 2810.4 mphAug 26.6 mphAug 26.6 mphOct 38.5 mphOct 38.5 mphMay 98.5 mphMay 98.5 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 10.210.09.79.58.27.26.86.77.59.19.810.1

The predominant average hourly wind direction in Triollo varies throughout the year.

The wind is most often from the north for 7.9 months, from January 31 to September 26, with a peak percentage of 49% on July 23. The wind is most often from the south for 4.2 months, from September 26 to January 31, with a peak percentage of 38% on January 1.

Wind Direction in Triollo

Wind Direction in TriolloSNSJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Triollo is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.6 months, from July 8 to September 25, with an average temperature above 67°F. The month of the year in Triollo with the warmest water is August, with an average temperature of 70°F.

The time of year with cooler water lasts for 4.9 months, from December 10 to May 6, with an average temperature below 57°F. The month of the year in Triollo with the coolest water is February, with an average temperature of 55°F.

Average Water Temperature in Triollo

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 55°F55°F55°F56°F59°F63°F68°F70°F68°F64°F60°F57°F

To characterize how pleasant the weather is in Triollo throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Triollo for general outdoor tourist activities is from early July to mid August, with a peak score in the last week of July.

Tourism Score in Triollo

Tourism Score in Triollobest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.36.30.00.0NowNow cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best time of year to visit Triollo for hot-weather activities is from mid July to mid August, with a peak score in the last week of July.

Beach/Pool Score in Triollo

Beach/Pool Score in TriolloJanFebMarAprMayJunJulAugSepOctNovDec002244668810101.91.90.00.0NowNow cloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season in Triollo typically lasts for 4.5 months (138 days), from around May 21 to around October 6, rarely starting before April 30 or after June 12, and rarely ending before September 18 or after October 26.

Time Spent in Various Temperature Bands and the Growing Season in Triollo

Time Spent in Various Temperature Bands and the Growing Season in Triollogrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 2150%May 2150%Oct 650%Oct 650%Jun 1290%Jun 1290%Sep 1890%Sep 1890%Apr 3010%Apr 3010%Oct 2610%Oct 2610%Aug 3100%Aug 3100%NowNowfreezingvery coldcoldcool
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Based on growing degree days alone, the first spring blooms in Triollo should appear around June 4, only rarely appearing before May 22 or after June 18.

Growing Degree Days in Triollo

Growing Degree Days in TriolloJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F200°F200°F400°F400°F600°F600°F800°F800°F1,000°F1,000°FJun 490°FJun 490°FDec 31833°FDec 31833°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.1 months, from May 16 to August 18, with an average daily incident shortwave energy per square meter above 6.4 kWh. The brightest month of the year in Triollo is July, with an average of 7.5 kWh.

The darker period of the year lasts for 3.6 months, from October 26 to February 14, with an average daily incident shortwave energy per square meter below 2.7 kWh. The darkest month of the year in Triollo is December, with an average of 1.5 kWh.

Average Daily Incident Shortwave Solar Energy in Triollo

Average Daily Incident Shortwave Solar Energy in TriollobrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 57.6 kWhJul 57.6 kWhDec 211.5 kWhDec 211.5 kWhMay 166.4 kWhMay 166.4 kWhAug 186.4 kWhAug 186.4 kWhOct 262.7 kWhOct 262.7 kWhFeb 142.7 kWhFeb 142.7 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 1.82.84.25.36.47.37.56.54.93.22.01.5

For the purposes of this report, the geographical coordinates of Triollo are 42.925 deg latitude, -4.681 deg longitude, and 4,265 ft elevation.

The topography within 2 miles of Triollo contains very significant variations in elevation, with a maximum elevation change of 1,850 feet and an average elevation above sea level of 4,681 feet. Within 10 miles contains very significant variations in elevation (6,001 feet). Within 50 miles also contains extreme variations in elevation (8,875 feet).

The area within 2 miles of Triollo is covered by trees (59%), shrubs (17%), and grassland (13%), within 10 miles by trees (54%) and shrubs (13%), and within 50 miles by trees (33%) and cropland (29%).

This report illustrates the typical weather in Triollo, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Triollo.

For each station, the records are corrected for the elevation difference between that station and Triollo according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Triollo is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Triollo and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Triollo and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.