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Climate and Average Weather Year Round in Pasadena Canada

In Pasadena, the summers are comfortable, wet, and partly cloudy and the winters are freezing, snowy, and overcast. Over the course of the year, the temperature typically varies from 10°F to 74°F and is rarely below -4°F or above 83°F.

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

Climate in Pasadena

freezingcoldcoolcomfortablecoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDecNowNow51%51%14%14%overcastclearprecipitation: 3.9 inprecipitation: 3.9 in2.1 in2.1 inmuggy: 4%muggy: 4%0%0%drydrytourism score: 6.0tourism score: 6.00.00.0
Pasadena weather by month. Click on each chart for more information.

The warm season lasts for 3.0 months, from June 12 to September 12, with an average daily high temperature above 64°F. The hottest month of the year in Pasadena is July, with an average high of 72°F and low of 54°F.

The cold season lasts for 3.5 months, from December 3 to March 20, with an average daily high temperature below 34°F. The coldest month of the year in Pasadena is February, with an average low of 11°F and high of 26°F.

Average High and Low Temperature in Pasadena

Average High and Low Temperature in PasadenawarmcoldcoldJanFebMarAprMayJunJulAugSepOctNovDec-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FFeb 424°FFeb 424°FAug 274°FAug 274°F10°F10°F56°F56°FJun 1264°FJun 1264°FSep 1264°FSep 1264°FDec 334°FDec 334°FMar 2034°FMar 2034°F45°F45°F48°F48°F24°F24°F18°F18°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 26°F26°F33°F45°F56°F65°F72°F71°F62°F51°F40°F31°F
Temp. 19°F18°F25°F36°F46°F55°F63°F62°F55°F44°F35°F25°F
Low 13°F11°F18°F29°F37°F46°F54°F54°F47°F38°F29°F20°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 Pasadena

Average Hourly Temperature in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowfreezingvery coldvery coldcoldcoldcoolcomfortablefrigidfreezing
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.

Shebunino, Russia (5,746 miles away) is the far-away foreign place with temperatures most similar to Pasadena (view comparison).

Map
Marker
© Esri, et al.

Compare Pasadena to another city:

Map

In Pasadena, 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 Pasadena begins around April 3 and lasts for 7.4 months, ending around November 14.

The clearest month of the year in Pasadena is August, during which on average the sky is clear, mostly clear, or partly cloudy 51% of the time.

The cloudier part of the year begins around November 14 and lasts for 4.6 months, ending around April 3.

The cloudiest month of the year in Pasadena is January, during which on average the sky is overcast or mostly cloudy 85% of the time.

Cloud Cover Categories in Pasadena

Cloud Cover Categories in PasadenaclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 2351%Aug 2351%Jan 2914%Jan 2914%Apr 332%Apr 332%Nov 1433%Nov 1433%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 85%83%73%65%64%59%52%49%52%60%69%79%
Clearer 15%17%27%35%36%41%48%51%48%40%31%21%

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

The wetter season lasts 9.0 months, from May 23 to February 22, with a greater than 33% chance of a given day being a wet day. The month with the most wet days in Pasadena is December, with an average of 11.4 days with at least 0.04 inches of precipitation.

The drier season lasts 3.0 months, from February 22 to May 23. The month with the fewest wet days in Pasadena is March, with an average of 8.9 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 Pasadena changes throughout the year.

Rain alone is the most common for 8.5 months, from March 21 to December 4. The month with the most days of rain alone in Pasadena is August, with an average of 11.3 days.

Snow alone is the most common for 3.5 months, from December 4 to March 21. The month with the most days of snow alone in Pasadena is January, with an average of 7.4 days.

Daily Chance of Precipitation in Pasadena

Daily Chance of Precipitation in PasadenasnowrainsnowJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 938%Jan 938%Mar 2027%Mar 2027%Dec 436%Dec 436%May 2333%May 2333%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 1.3d1.2d2.7d6.2d9.4d9.9d11.3d11.3d10.6d10.5d7.4d2.8d
Mixed 7.4d6.2d3.6d0.6d0.0d0.0d0.0d0.0d0.0d0.1d1.8d5.7d
Snow 2.5d2.0d2.6d1.9d0.4d0.0d0.0d0.0d0.0d0.4d1.6d2.8d
Any 11.3d9.4d8.9d8.7d9.8d9.9d11.3d11.3d10.6d11.0d10.8d11.4d

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. Pasadena experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Pasadena. The month with the most rain in Pasadena is August, with an average rainfall of 3.8 inches.

The month with the least rain in Pasadena is February, with an average rainfall of 0.6 inches.

Average Monthly Rainfall in Pasadena

Average Monthly Rainfall in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in5 in5 in10 in10 in15 in15 in20 in20 in25 in25 inSep 13.9 inSep 13.9 inFeb 190.6 inFeb 190.6 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 0.8″0.6″0.9″1.8″2.7″3.0″3.4″3.8″3.8″3.4″2.6″1.3″

Snowfall

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

The snowy period of the year lasts for 6.5 months, from October 23 to May 6, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Pasadena is January, with an average snowfall of 20.9 inches.

The snowless period of the year lasts for 5.5 months, from May 6 to October 23. The least snow falls around August 1, with an average total accumulation of 0.0 inches.

Average Monthly Snowfall in Pasadena

Average Monthly Snowfall in PasadenasnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in5 in5 in10 in10 in15 in15 in20 in20 in25 in25 in30 in30 in35 in35 inJan 3121.3 inJan 3121.3 inAug 10.0 inAug 10.0 inOct 231.0 inOct 231.0 inMay 61.0 inMay 61.0 in
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 20.9″20.4″12.8″4.4″0.4″0.0″0.0″0.0″0.0″0.5″5.6″15.9″

The length of the day in Pasadena varies extremely over the course of the year. In 2022, the shortest day is December 21, with 8 hours, 13 minutes of daylight; the longest day is June 21, with 16 hours, 13 minutes of daylight.

Hours of Daylight and Twilight in Pasadena

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 8.8h10.2h12.0h13.8h15.4h16.1h15.7h14.3h12.5h10.7h9.1h8.3h

The earliest sunrise is at 5:15 AM on June 17, and the latest sunrise is 2 hours, 59 minutes later at 8:14 AM on December 31. The earliest sunset is at 4:22 PM on December 11, and the latest sunset is 5 hours, 6 minutes later at 9:28 PM on June 25.

Daylight saving time (DST) is observed in Pasadena during 2022, starting in the spring on March 13, lasting 7.8 months, and ending in the fall on November 6.

Sunrise & Sunset with Twilight and Daylight Saving Time in Pasadena

Sunrise & Sunset with Twilight and Daylight Saving Time in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 175:15 AMJun 175:15 AM9:28 PMJun 259:28 PMJun 25Dec 114:22 PMDec 114:22 PM8:14 AMDec 318:14 AMDec 31Mar 13DSTMar 13DSTDSTNov 6DSTNov 6daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunsetNowNow
The solar day over the course of the year 2022. 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 key lunar data for 2022. 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 Pasadena

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 Pasadena, 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, staying within 2% of 2% throughout.

Humidity Comfort Levels in Pasadena

Humidity Comfort Levels in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Mar 180%Mar 180%Aug 24%Aug 24%comfortablecomfortabledrydryhumidhumid
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 0.0d0.0d0.0d0.0d0.0d0.1d1.0d0.9d0.2d0.0d0.0d0.0d

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 Pasadena experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 6.4 months, from October 23 to May 3, with average wind speeds of more than 6.5 miles per hour. The windiest month of the year in Pasadena is January, with an average hourly wind speed of 7.6 miles per hour.

The calmer time of year lasts for 5.6 months, from May 3 to October 23. The calmest month of the year in Pasadena is July, with an average hourly wind speed of 5.5 miles per hour.

Average Wind Speed in Pasadena

Average Wind Speed in PasadenawindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphJan 137.7 mphJan 137.7 mphAug 75.3 mphAug 75.3 mphOct 236.5 mphOct 236.5 mphMay 36.5 mphMay 36.5 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) 7.67.37.37.06.25.75.55.56.16.56.97.4

The predominant average hourly wind direction in Pasadena is from the west throughout the year.

Wind Direction in Pasadena

Wind Direction in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
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).

Pasadena 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 2.2 months, from July 15 to September 22, with an average temperature above 55°F. The month of the year in Pasadena with the warmest water is August, with an average temperature of 60°F.

The time of year with cooler water lasts for 5.0 months, from December 11 to May 11, with an average temperature below 37°F. The month of the year in Pasadena with the coolest water is March, with an average temperature of 31°F.

Average Water Temperature in Pasadena

Average Water Temperature in PasadenawarmcoolJanFebMarAprMayJunJulAugSepOctNovDec25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°FAug 1561°FAug 1561°F31°FMar 831°FMar 8Sep 2255°FSep 2255°FDec 1137°FDec 1137°FMay 1137°FMay 1137°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 33°F31°F31°F33°F38°F46°F55°F60°F56°F48°F41°F36°F

To characterize how pleasant the weather is in Pasadena 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 Pasadena for general outdoor tourist activities is from early July to late August, with a peak score in the first week of August.

Tourism Score in Pasadena

Tourism Score in Pasadenabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.06.00.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature tourism 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 Pasadena for hot-weather activities is from mid July to mid August, with a peak score in the first week of August.

Beach/Pool Score in Pasadena

Beach/Pool Score in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec002244668810103.03.00.00.0NowNowprecipitationprecipitationcloudscloudstemperaturetemperature
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 Pasadena typically lasts for 4.4 months (133 days), from around May 30 to around October 10, rarely starting before May 10 or after June 18, and rarely ending before September 24 or after October 26.

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

Time Spent in Various Temperature Bands and the Growing Season in Pasadenagrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 3050%May 3050%Oct 1050%Oct 1050%Jun 1890%Jun 1890%Sep 2490%Sep 2490%May 1010%May 1010%Oct 2610%Oct 2610%0%Feb 190%Feb 19Aug 5100%Aug 5100%NowNowfrigidfreezingcoldcoolcomfortablevery coldwarm
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 Pasadena should appear around June 1, only rarely appearing before May 17 or after June 12.

Growing Degree Days in Pasadena

Growing Degree Days in PasadenaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F200°F200°F400°F400°F600°F600°F800°F800°F1,000°F1,000°F1,200°F1,200°F1,400°F1,400°FJun 190°FJun 190°FAug 15900°FAug 15900°FDec 311,313°FDec 311,313°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 3.6 months, from May 2 to August 21, with an average daily incident shortwave energy per square meter above 4.9 kWh. The brightest month of the year in Pasadena is July, with an average of 5.9 kWh.

The darker period of the year lasts for 3.7 months, from October 28 to February 19, with an average daily incident shortwave energy per square meter below 1.7 kWh. The darkest month of the year in Pasadena is December, with an average of 0.7 kWh.

Average Daily Incident Shortwave Solar Energy in Pasadena

Average Daily Incident Shortwave Solar Energy in PasadenabrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWhJul 36.0 kWhJul 36.0 kWhDec 210.7 kWhDec 210.7 kWhMay 24.9 kWhMay 24.9 kWhAug 214.9 kWhAug 214.9 kWhOct 281.7 kWhOct 281.7 kWhFeb 191.7 kWhFeb 191.7 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) 0.91.62.94.35.35.95.95.13.72.21.10.7

For the purposes of this report, the geographical coordinates of Pasadena are 49.017 deg latitude, -57.598 deg longitude, and 89 ft elevation.

The topography within 2 miles of Pasadena contains significant variations in elevation, with a maximum elevation change of 758 feet and an average elevation above sea level of 164 feet. Within 10 miles contains significant variations in elevation (2,110 feet). Within 50 miles also contains large variations in elevation (2,657 feet).

The area within 2 miles of Pasadena is covered by trees (52%), water (19%), and herbaceous vegetation (12%), within 10 miles by trees (64%) and water (16%), and within 50 miles by trees (53%) and water (18%).

This report illustrates the typical weather in Pasadena, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Pasadena.

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

The stations contributing to this reconstruction are:

  • Corner Brook (CWKB, 48%, 16 mi, west, 410 ft elevation change)
  • Deer Lake Regional Airport (CYDF, 52%, 17 mi, northeast, -20 ft elevation change)

CWKB, 48%16 mi, 410 ftCYDF, 52%17 mi, -20 ft© Esri, et al.

To get a sense of how much these sources agree with each other, you can view a comparison of Pasadena 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 © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.