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Climate and Average Weather Year Round in San-Nicolao France

In San-Nicolao, the summers are short, warm, humid, dry, and mostly clear and the winters are long, cold, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 41°F to 84°F and is rarely below 35°F or above 88°F.

Based on the beach/pool score, the best time of year to visit San-Nicolao for hot-weather activities is from late June to late August.

Climate in San-Nicolao

coldcoolwarmcoolJanFebMarAprMayJunJulAugSepOctNovDecNowNow87%87%51%51%clearovercastprecipitation: 3.1 inprecipitation: 3.1 in0.3 in0.3 inmuggy: 48%muggy: 48%0%0%drydrybeach/pool score: 8.7beach/pool score: 8.70.00.0
San-Nicolao weather by month. Click on each chart for more information.

The warm season lasts for 2.7 months, from June 19 to September 10, with an average daily high temperature above 78°F. The hottest month of the year in San-Nicolao is August, with an average high of 83°F and low of 67°F.

The cool season lasts for 4.4 months, from November 19 to March 31, with an average daily high temperature below 61°F. The coldest month of the year in San-Nicolao is January, with an average low of 41°F and high of 55°F.

Average High and Low Temperature in San-Nicolao

Average High and Low Temperature in San-NicolaowarmcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FFeb 655°FFeb 655°FAug 584°FAug 584°F41°F41°F68°F68°FJun 1978°FJun 1978°FSep 1078°FSep 1078°FNov 1961°FNov 1961°FMar 3161°FMar 3161°F62°F62°F63°F63°F48°F48°F46°F46°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 55°F55°F59°F63°F70°F77°F83°F83°F77°F70°F62°F57°F
Temp. 47°F48°F51°F55°F63°F70°F75°F76°F69°F62°F55°F49°F
Low 41°F41°F44°F48°F54°F61°F66°F67°F62°F56°F49°F44°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 San-Nicolao

Average Hourly Temperature in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowvery coldcoldcoldcoolcoolcomfortablewarmcoldvery coldvery cold
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.

Nevada City, California, United States (6,008 miles away) is the far-away foreign place with temperatures most similar to San-Nicolao (view comparison).

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Compare San-Nicolao to another city:

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In San-Nicolao, 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 San-Nicolao begins around June 12 and lasts for 3.0 months, ending around September 11.

The clearest month of the year in San-Nicolao is July, during which on average the sky is clear, mostly clear, or partly cloudy 86% of the time.

The cloudier part of the year begins around September 11 and lasts for 9.0 months, ending around June 12.

The cloudiest month of the year in San-Nicolao is November, during which on average the sky is overcast or mostly cloudy 48% of the time.

Cloud Cover Categories in San-Nicolao

Cloud Cover Categories in San-NicolaoclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jul 2087%Jul 2087%Nov 2451%Nov 2451%Jun 1269%Jun 1269%Sep 1169%Sep 1169%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 46%42%42%42%40%27%14%19%33%44%48%46%
Clearer 54%58%58%58%60%73%86%81%67%56%52%54%

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

The wetter season lasts 7.8 months, from September 14 to May 9, with a greater than 18% chance of a given day being a wet day. The month with the most wet days in San-Nicolao is November, with an average of 8.9 days with at least 0.04 inches of precipitation.

The drier season lasts 4.2 months, from May 9 to September 14. The month with the fewest wet days in San-Nicolao is July, with an average of 1.6 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. The month with the most days of rain alone in San-Nicolao is November, with an average of 8.9 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 31% on November 17.

Daily Chance of Precipitation in San-Nicolao

Daily Chance of Precipitation in San-NicolaowetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 1731%Nov 1731%Jul 125%Jul 125%Sep 1418%Sep 1418%May 918%May 918%NowNowrain
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 6.6d6.5d6.5d6.5d4.9d3.0d1.6d2.4d5.5d7.8d8.9d7.6d

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. San-Nicolao experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in San-Nicolao. The month with the most rain in San-Nicolao is November, with an average rainfall of 3.0 inches.

The month with the least rain in San-Nicolao is July, with an average rainfall of 0.3 inches.

Average Monthly Rainfall in San-Nicolao

Average Monthly Rainfall in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in1 in1 in2 in2 in3 in3 in4 in4 in5 in5 in6 in6 inNov 63.1 inNov 63.1 inJul 160.3 inJul 160.3 inMar 11.8 inMar 11.8 inApr 231.8 inApr 231.8 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 1.7″1.7″1.7″1.7″1.4″0.8″0.3″0.7″1.8″2.7″3.0″2.2″

The length of the day in San-Nicolao varies significantly over the course of the year. In 2024, the shortest day is December 21, with 9 hours, 5 minutes of daylight; the longest day is June 20, with 15 hours, 17 minutes of daylight.

Hours of Daylight and Twilight in San-Nicolao

Hours of Daylight and Twilight in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 7 minMar 2012 hr, 7 minMar 2015 hr, 17 minJun 2015 hr, 17 minJun 2012 hr, 9 minSep 2212 hr, 9 minSep 229 hr, 5 minDec 219 hr, 5 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 9.5h10.6h12.0h13.4h14.6h15.2h14.9h13.8h12.5h11.0h9.8h9.1h

The earliest sunrise is at 5:44 AM on June 14, and the latest sunrise is 2 hours, 7 minutes later at 7:51 AM on January 4. The earliest sunset is at 4:49 PM on December 8, and the latest sunset is 4 hours, 14 minutes later at 9:03 PM on June 26.

Daylight saving time (DST) is observed in San-Nicolao 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 San-Nicolao

Sunrise & Sunset with Twilight and Daylight Saving Time in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:44 AMJun 145:44 AM9:03 PMJun 269:03 PMJun 26Dec 84:49 PMDec 84:49 PM7:51 AMJan 47:51 AMJan 4Mar 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 San-Nicolao

Solar Elevation and Azimuth in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM000010101020202030303040405050606000010101010202020303040405050602471NowNow
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 San-Nicolao

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.

San-Nicolao experiences significant seasonal variation in the perceived humidity.

The muggier period of the year lasts for 3.8 months, from June 10 to October 3, during which time the comfort level is muggy, oppressive, or miserable at least 12% of the time. The month with the most muggy days in San-Nicolao is July, with 13.1 days that are muggy or worse.

The least muggy day of the year is February 29, when muggy conditions are essentially unheard of.

Humidity Comfort Levels in San-Nicolao

Humidity Comfort Levels in San-NicolaomuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 290%Feb 290%Aug 548%Aug 548%Jun 1012%Jun 1012%Oct 312%Oct 312%NowNowoppressiveoppressivemuggymuggyhumidhumiddrydrycomfortablecomfortable
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 0.0d0.0d0.0d0.0d0.5d5.4d13.1d13.1d6.6d2.0d0.1d0.0d

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 San-Nicolao experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 6.8 months, from October 2 to April 27, with average wind speeds of more than 8.4 miles per hour. The windiest month of the year in San-Nicolao is December, with an average hourly wind speed of 10.7 miles per hour.

The calmer time of year lasts for 5.2 months, from April 27 to October 2. The calmest month of the year in San-Nicolao is July, with an average hourly wind speed of 6.2 miles per hour.

Average Wind Speed in San-Nicolao

Average Wind Speed in San-NicolaowindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mph20 mph20 mphDec 2011.0 mphDec 2011.0 mphAug 45.8 mphAug 45.8 mphOct 28.4 mphOct 28.4 mphApr 278.4 mphApr 278.4 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) 10.410.510.09.17.46.86.26.27.79.110.310.7

The predominant average hourly wind direction in San-Nicolao varies throughout the year.

The wind is most often from the north for 3.4 weeks, from July 21 to August 14, with a peak percentage of 32% on August 6. The wind is most often from the west for 11 months, from August 14 to July 21, with a peak percentage of 36% on January 1.

Wind Direction in San-Nicolao

Wind Direction in San-NicolaoWNWJanFebMarAprMayJunJulAugSepOctNovDec0%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).

San-Nicolao 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 significant seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.6 months, from June 29 to September 17, with an average temperature above 73°F. The month of the year in San-Nicolao with the warmest water is August, with an average temperature of 77°F.

The time of year with cooler water lasts for 4.8 months, from December 6 to April 29, with an average temperature below 61°F. The month of the year in San-Nicolao with the coolest water is February, with an average temperature of 56°F.

Average Water Temperature in San-Nicolao

Average Water Temperature in San-NicolaowarmcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FAug 977°FAug 977°F56°FFeb 1956°FFeb 19Jun 2973°FJun 2973°FSep 1773°FSep 1773°FDec 661°FDec 661°FApr 2961°FApr 2961°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 57°F56°F57°F59°F64°F70°F75°F77°F73°F69°F64°F59°F

To characterize how pleasant the weather is in San-Nicolao 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 times of year to visit San-Nicolao for general outdoor tourist activities are from mid May to late July and from mid August to late September, with a peak score in the third week of June.

Tourism Score in San-Nicolao

Tourism Score in San-Nicolaobest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.08.01.71.77.87.87.07.0NowNowtemperaturetemperature 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 San-Nicolao for hot-weather activities is from late June to late August, with a peak score in the third week of July.

Beach/Pool Score in San-Nicolao

Beach/Pool Score in San-Nicolaobest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.78.70.00.0NowNowtemperaturetemperature 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 San-Nicolao typically lasts for 12 months (360 days), from around January 20 to around January 14, rarely starting after March 1, or ending before December 16.

Time Spent in Various Temperature Bands and the Growing Season in San-Nicolao

Time Spent in Various Temperature Bands and the Growing Season in San-Nicolaogrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Jan 2050%Jan 2090%Mar 190%Mar 190%Dec 1690%Dec 16Jul 26100%Jul 26100%NowNowvery coldcoldcoolcomfortablewarmhot
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 San-Nicolao should appear around February 23, only rarely appearing before February 6 or after March 14.

Growing Degree Days in San-Nicolao

Growing Degree Days in San-NicolaoJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°F3,000°F3,000°F3,500°F3,500°F4,000°F4,000°FFeb 2386°FFeb 2386°FJun 7900°FJun 7900°FJul 171,800°FJul 171,800°FDec 314,140°FDec 314,140°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 3.2 months, from May 9 to August 16, with an average daily incident shortwave energy per square meter above 6.6 kWh. The brightest month of the year in San-Nicolao is June, with an average of 7.7 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 3.0 kWh. The darkest month of the year in San-Nicolao is December, with an average of 1.8 kWh.

Average Daily Incident Shortwave Solar Energy in San-Nicolao

Average Daily Incident Shortwave Solar Energy in San-NicolaobrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 47.9 kWhJul 47.9 kWhDec 151.7 kWhDec 151.7 kWhMay 96.6 kWhMay 96.6 kWhAug 166.6 kWhAug 166.6 kWhOct 263.0 kWhOct 263.0 kWhFeb 143.0 kWhFeb 143.0 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) 2.03.04.45.76.97.77.76.65.03.42.21.8

For the purposes of this report, the geographical coordinates of San-Nicolao are 42.369 deg latitude, 9.509 deg longitude, and 141 ft elevation.

The topography within 2 miles of San-Nicolao contains large variations in elevation, with a maximum elevation change of 3,163 feet and an average elevation above sea level of 491 feet. Within 10 miles contains large variations in elevation (5,712 feet). Within 50 miles also contains extreme variations in elevation (8,743 feet).

The area within 2 miles of San-Nicolao is covered by trees (55%), cropland (17%), and water (12%), within 10 miles by water (40%) and trees (38%), and within 50 miles by water (63%) and trees (16%).

This report illustrates the typical weather in San-Nicolao, 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in San-Nicolao.

For each station, the records are corrected for the elevation difference between that station and San-Nicolao 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 San-Nicolao is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between San-Nicolao and a given station.

The stations contributing to this reconstruction are:

  • Bastia-Poretta (LFKB, 76%, 13 mi, north, -118 ft elevation change)
  • Solenzara Air Base (LFKS, 20%, 31 mi, south, -115 ft elevation change)
  • Monte Argentario (LIQO, 4.0%, 85 mi, east, 1,932 ft elevation change)

To get a sense of how much these sources agree with each other, you can view a comparison of San-Nicolao 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.