1. WeatherSpark.com
  2. Argentina
  3. Mendoza

Climate and Average Weather Year Round in Mendoza Argentina

In Mendoza, the summers are hot and mostly clear, the winters are cold and partly cloudy, and it is dry year round. Over the course of the year, the temperature typically varies from 37°F to 88°F and is rarely below 30°F or above 96°F.

Based on the tourism score, the best time of year to visit Mendoza for warm-weather activities is from mid October to early April.

Climate in Mendoza

hotwarmcoolcomfortablewarmhotJanFebMarAprMayJunJulAugSepOctNovDecNowNow84%84%53%53%clearovercastprecipitation: 1.4 inprecipitation: 1.4 in0.2 in0.2 inmuggy: 5%muggy: 5%0%0%drydrytourism score: 7.8tourism score: 7.82.12.1
Mendoza weather by month. Click on each chart for more information.

The hot season lasts for 3.8 months, from November 15 to March 9, with an average daily high temperature above 82°F. The hottest month of the year in Mendoza is January, with an average high of 88°F and low of 67°F.

The cool season lasts for 3.1 months, from May 16 to August 19, with an average daily high temperature below 64°F. The coldest month of the year in Mendoza is July, with an average low of 37°F and high of 58°F.

Average High and Low Temperature in Mendoza

Average High and Low Temperature in MendozahothotcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJul 958°FJul 958°FDec 3188°FDec 3188°F37°F37°F67°F67°FMar 982°FMar 982°FMay 1664°FMay 1664°FAug 1964°FAug 1964°F60°F60°F62°F62°F45°F45°F42°F42°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 88°F85°F80°F72°F64°F59°F58°F63°F69°F76°F82°F87°F
Temp. 77°F75°F70°F61°F54°F48°F47°F52°F57°F65°F71°F76°F
Low 67°F65°F60°F52°F45°F39°F37°F41°F47°F54°F60°F65°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 Mendoza

Average Hourly Temperature in MendozaJanFebMarAprMayJunJulAugSepOctNovDec12 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 coldcoldcoldcoolcomfortablecomfortablewarmwarmhothotwarmwarmvery 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.

East Griffin, Georgia, United States (4,683 miles away); De Aar, Northern Cape, South Africa (5,260 miles); and Dubbo, New South Wales, Australia (7,326 miles) are the far-away foreign places with temperatures most similar to Mendoza (view comparison).

Map
Marker
© OpenStreetMap contributors

Compare Mendoza to another city:

Map

In Mendoza, 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 Mendoza begins around August 19 and lasts for 8.2 months, ending around April 26.

The clearest month of the year in Mendoza is December, during which on average the sky is clear, mostly clear, or partly cloudy 82% of the time.

The cloudier part of the year begins around April 26 and lasts for 3.8 months, ending around August 19.

The cloudiest month of the year in Mendoza is June, during which on average the sky is overcast or mostly cloudy 44% of the time.

Cloud Cover Categories in Mendoza

Cloud Cover Categories in MendozaclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Dec 784%Dec 784%May 2953%May 2953%Aug 1968%Aug 1968%Apr 2669%Apr 2669%NowNowclearmostly clearmostly cloudyovercastpartly cloudy
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 20%19%19%26%43%44%37%31%29%23%18%18%
Clearer 80%81%81%74%57%56%63%69%71%77%82%82%

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

The wetter season lasts 3.2 months, from December 13 to March 21, with a greater than 13% chance of a given day being a wet day. The month with the most wet days in Mendoza is January, with an average of 6.2 days with at least 0.04 inches of precipitation.

The drier season lasts 8.8 months, from March 21 to December 13. The month with the fewest wet days in Mendoza is July, with an average of 1.4 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. The month with the most days of rain alone in Mendoza is January, with an average of 6.2 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 22% on January 12.

Daily Chance of Precipitation in Mendoza

Daily Chance of Precipitation in MendozawetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 1222%Jan 1222%Jun 304%Jun 304%Dec 1313%Dec 1313%Mar 2113%Mar 2113%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 6.2d5.7d4.2d2.2d1.9d1.4d1.4d1.5d1.9d2.2d3.1d4.3d

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. Mendoza experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 5.7 months, from October 25 to April 14, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain in Mendoza is February, with an average rainfall of 1.4 inches.

The rainless period of the year lasts for 6.3 months, from April 14 to October 25. The month with the least rain in Mendoza is July, with an average rainfall of 0.2 inches.

Average Monthly Rainfall in Mendoza

Average Monthly Rainfall in MendozarainrainJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 inFeb 171.4 inFeb 171.4 inJul 290.2 inJul 290.2 inOct 250.5 inOct 250.5 inApr 140.5 inApr 140.5 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 1.2″1.4″1.0″0.5″0.3″0.3″0.2″0.3″0.4″0.5″0.6″0.8″

The length of the day in Mendoza varies significantly over the course of the year. In 2024, the shortest day is June 20, with 9 hours, 59 minutes of daylight; the longest day is December 21, with 14 hours, 20 minutes of daylight.

Hours of Daylight and Twilight in Mendoza

Hours of Daylight and Twilight in MendozaJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minSep 2212 hr, 6 minSep 2214 hr, 20 minDec 2114 hr, 20 minDec 2112 hr, 9 minMar 2012 hr, 9 minMar 209 hr, 59 minJun 209 hr, 59 minJun 20daydaynightNowNow
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 14.0h13.2h12.2h11.2h10.4h10.0h10.2h11.0h11.9h12.9h13.8h14.3h

The earliest sunrise is at 6:19 AM on December 4, and the latest sunrise is 2 hours, 19 minutes later at 8:38 AM on June 29. The earliest sunset is at 6:35 PM on June 10, and the latest sunset is 2 hours, 12 minutes later at 8:47 PM on January 7.

Daylight saving time (DST) is not observed in Mendoza during 2024.

Sunrise & Sunset with Twilight in Mendoza

Sunrise & Sunset with Twilight in MendozaJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDec 46:19 AMDec 46:19 AM8:47 PMJan 78:47 PMJan 7Jun 106:35 PMJun 106:35 PM8:38 AMJun 298:38 AMJun 29daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
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 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 Mendoza

Solar Elevation and Azimuth in MendozaJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM00001010101020202020303030304040405050506060708000001010101020202020303030304040405050607034NowNow
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 Mendoza

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 Mendoza, 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 3% of 3% throughout.

Humidity Comfort Levels in Mendoza

Humidity Comfort Levels in MendozaJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Aug 10%Aug 10%Mar 25%Mar 25%NowNowhumidhumidcomfortablecomfortabledrydry
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 1.2d1.3d0.9d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.0d0.5d

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 Mendoza experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 7.0 months, from September 3 to April 4, with average wind speeds of more than 7.4 miles per hour. The windiest month of the year in Mendoza is December, with an average hourly wind speed of 9.0 miles per hour.

The calmer time of year lasts for 5.0 months, from April 4 to September 3. The calmest month of the year in Mendoza is June, with an average hourly wind speed of 5.8 miles per hour.

Average Wind Speed in Mendoza

Average Wind Speed in MendozawindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mphNov 299.1 mphNov 299.1 mphJun 155.8 mphJun 155.8 mphSep 37.4 mphSep 37.4 mphApr 47.4 mphApr 47.4 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) 8.88.47.97.06.25.86.27.07.98.59.09.0

The predominant average hourly wind direction in Mendoza is from the east throughout the year.

Wind Direction in Mendoza

Wind Direction in MendozaJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowsoutheastnorthwest
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).

To characterize how pleasant the weather is in Mendoza 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 Mendoza for general outdoor tourist activities is from mid October to early April, with a peak score in the last week of November.

Tourism Score in Mendoza

Tourism Score in Mendozabest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.87.82.12.17.77.77.27.2NowNowtemperaturetemperature 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 Mendoza for hot-weather activities is from early December to mid February, with a peak score in the last week of December.

Beach/Pool Score in Mendoza

Beach/Pool Score in Mendozabest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.07.00.10.1NowNowtemperaturetemperature 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 Mendoza typically lasts for 9.9 months (300 days), from around August 12 to around June 8, rarely starting before July 10 or after September 7, and rarely ending before May 12 or after July 6.

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

Time Spent in Various Temperature Bands and the Growing Season in Mendozagrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Aug 1250%Aug 1250%Jun 850%Jun 890%Sep 790%Sep 790%May 1290%May 1210%Jul 1010%Jul 1010%Jul 610%Jul 6Jan 9100%Jan 9100%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 Mendoza should appear around August 5, only rarely appearing before July 28 or after August 15.

Growing Degree Days in Mendoza

Growing Degree Days in MendozaJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°FAug 589°FAug 589°FOct 28900°FOct 28900°FDec 91,800°FDec 91,800°FJun 305,094°FJun 305,094°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 October 23 to February 11, with an average daily incident shortwave energy per square meter above 7.6 kWh. The brightest month of the year in Mendoza is December, with an average of 8.6 kWh.

The darker period of the year lasts for 3.3 months, from May 1 to August 10, with an average daily incident shortwave energy per square meter below 4.2 kWh. The darkest month of the year in Mendoza is June, with an average of 3.1 kWh.

Average Daily Incident Shortwave Solar Energy in Mendoza

Average Daily Incident Shortwave Solar Energy in MendozabrightbrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWh9 kWh9 kWh10 kWh10 kWhDec 68.7 kWhDec 68.7 kWhJun 223.1 kWhJun 223.1 kWhOct 237.6 kWhOct 237.6 kWhFeb 117.6 kWhFeb 117.6 kWhMay 14.2 kWhMay 14.2 kWhAug 104.2 kWhAug 104.2 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) 8.27.56.34.93.73.13.54.55.87.38.48.6

For the purposes of this report, the geographical coordinates of Mendoza are -32.891 deg latitude, -68.827 deg longitude, and 2,448 ft elevation.

The topography within 2 miles of Mendoza contains only modest variations in elevation, with a maximum elevation change of 305 feet and an average elevation above sea level of 2,469 feet. Within 10 miles contains only modest variations in elevation (4,728 feet). Within 50 miles also contains extreme variations in elevation (17,700 feet).

The area within 2 miles of Mendoza is covered by bare soil (64%), shrubs (18%), and grassland (10%), within 10 miles by bare soil (23%) and grassland (22%), and within 50 miles by bare soil (28%) and grassland (22%).

This report illustrates the typical weather in Mendoza, 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 Mendoza.

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