Climate and monthly weather forecastMendoza, Argentina
Climate and monthly weather forecast
The climate of Mendoza
Lying in the mid-latitude desert or BWk zone as per the Köppen climate classification, Mendoza is recognized for its overall arid conditions. Constant throughout the entire year, the aridity is a result of its geographical position, nestled downwind of the Andes mountain range. Weather variations in Mendoza are minor, the main difference being between the warm summers and cool winters.Temperatures in the highs peak at around 28.3°C (82.9°F) in January, while July presents the lowest value, with averages around 11.2°C (52.2°F). At the other end of the temperature spectrum, lows display a similar pattern - January is noted as the warmest month with lows of 18.5°C (65.3°F), and in contrast, July marks the coldest month, dropping to 3.2°C (37.8°F). In terms of humidity, the highest levels appear during the cooler months, peaking at 60% in the months of April and May. This contrasts with the months of December and January which see the lowest humidity levels, at around 39% and 42% respectively.
Rainfall in Mendoza is sparse throughout the year. The wettest month in this region is January, with rainfall measures at 69mm (2.72") averagely. Meanwhile, June to September experience negligible rainfall, with a touch over 5mm (0.2") to 6mm (0.24"). The city occasionally experiences snow during the winter with peaks in July, displaying 17mm (0.67") of snowfall.
The best time to visit Mendoza
With comfortable temperatures varying from 12.5°C (54.5°F) to 28.3°C (82.9°F), clear skies and scarce rain, the best time to visit Mendoza is typically during the summer months of December to March. During this period, tourists can expect maximum sunshine hours that span from 9.5 hours to 9.7 hours per day and a UV index hovering around 6. Additionally, wind speed is also moderate, with an average speed ranging between 11.2km/h (7mph) and 12.8km/h (8mph).The worst time to visit Mendoza
Winter months, from June to August, may prove less appealing to visitors. Temperatures are colder, falling to a low of 3.2°C (37.8°F) in July whilst snowfall is maximal with 17mm (0.67") in July. Though the number of sunshine hours only drops slightly to 9.4 hours per day, the considerable decrease in temperature and possibility of snowfall may deter tourists accustomed to milder climates.Spring weather in Mendoza
Spring commences in Mendoza around September, with the city warming gradually from 14.6°C (58.3°F) to 20.9°C (69.6°F). Fall in temperature during nights is remarkable with lows slipping from 7.5°C (45.5°F) to 10.8°C (51.4°F). Rainfall records a steady rise through the season from 6mm (0.24") to 23mm (0.91"). The UV index begins to climb, starting from 4 in September to 5 by November.Summer weather in Mendoza
Expectedly, temperatures in Mendoza rise throughout the summer months, hitting a peak of 28.3°C (82.9°F) in January, then cooling down to 24.3°C (75.7°F) by March. Night temperatures remain agreeably warm, with lows fluctuating between 18.5°C (65.3°F) and 14.8°C (58.6°F). Precipitation sees minimal changes through this period, from 54mm (2.13") in December to 29mm (1.14") by March.Autumn weather in Mendoza
During autumn, the temperatures in Mendoza take a downward turn. Starting from 20.1°C (68.2°F) in April to 15.8°C (60.4°F) by June, the city experiences a notable chill. Nights are cooler still, descending from 11.1°C (52°F) to 4.7°C (40.5°F). Rainfall decreases correspondingly from 14mm (0.55") in April to nearly 6mm (0.24") by June.Winter weather in Mendoza
In winter, Mendoza undergoes its coldest period. High temperatures average around 12.5°C (54.5°F) in June and dip further to 11.2°C (52.2°F) in July. The lowest temperatures sink further, from 4.7°C (40.5°F) in June to 3.2°C (37.8°F) in July. The cold is accompanied by an occasional snowfall with July marking the year's peak of 17mm (0.67"). Mendoza also experiences its shortest daylight hours during winter, with just a little over 10 hours in June and July. However, the city maintains almost 9.4 to 9.6 hours of sunshine during these shortest days.Weather in January
Mendoza, Argentina, kicks off the year with warm summer conditions in January. The city experiences its highest temperatures, with average highs soaring up to 28.3°C (82.9°F) and lows settling to around 18.5°C (65.3°F). The balmy climate is coupled with low humid conditions, making the city a great destination for those seeking to escape the winter chill. Weather in January »Weather in February
In Mendoza, February continues to ride the wave of warm summer weather, though it sees a slight decrease compared to the scorching temperatures of January. It is a time of pleasantly warm afternoons and cool evenings, resulting in an inviting climate for both locals and tourists alike. Weather in February »Weather in March
With the arrival of March, Mendoza experiences the fading of summer into autumn. While the temperature remains warm, the city witnesses a unique phenomenon of considerable drop in rainfall in comparison to previous months. A noteworthy feature of this month is a further decline in temperature, with highs of around 24.3°C (75.7°F) and lows dipping down to 14.8°C (58.6°F) on average. Weather in March »Weather in April
April marks the full onset of autumn in Mendoza. Temperatures continue to cool down, providing a comfortable climate void of extreme weather conditions. In this month, there is a significant reduction in both temperature and rainfall when compared with March. Weather in April »Weather in May
Mendoza in May showcases a remarkable change. It's a time when the city truly begins to feel the chill with temperatures witnessing a major dip. When compared to the April weather, May introduces a context of cooler and drier conditions upon the city. Weather in May »Weather in June
June is the advent of winter in Mendoza, with the temperatures continuing their downward trend. It is a period marked by cooler, shorter days and longer, cold nights. The city witnesses the coldest months of the year with average temperature highs of 12.5°C (54.5°F) and lows hitting an average of 4.7°C (40.5°F). Weather in June »Weather in July
July is the coldest month in the city of Mendoza, which experiences the peak of winter during this part of the year. While temperatures reach a high of 11.2°C (52.2°F), they can plummet to lows of around 3.2°C (37.8°F). July sees a mix of weather experiences, ranging from pleasant sunny days to slightly snowy conditions. Weather in July »Weather in August
As August arrives, Mendoza begins to transition from winter to spring. Though it continues to be cold, a slight increase in temperature is observed in comparison to July. The captivating brilliance of the afternoon sun coupled with the beginning of warmer days is a definitive sign of the forthcoming spring. Weather in August »Weather in September
September marks the onset of spring in the city of Mendoza. It serves as an inviting period for visitors and locals alike with its spring-like weather. Post the cold months of winter, the city witnesses a steady increase in temperature during September. Weather in September »Weather in October
In October, spring is in full bloom in Mendoza. This period presents a significant rise in temperatures, marking a shift from the cool temperatures of September. October symbolizes longer, warmer days and marks an increase in average daily sunshine hours, providing ample opportunities for outdoor fun. Weather in October »Weather in November
November is a time when Mendoza starts transitioning from pleasant spring to the warmth of summer. The weather observes a substantial rise in temperature along with longer and sunnier days. The increased sunshine and gradually warming temperatures provide the perfect setting for spending time outdoors. Weather in November »Weather in December
December arrives in Mendoza with a noticeable spike in temperature. The month ushers in the hot summer climate, characterized by humid conditions coupled with warm days and nights. The city experiences some of the highest temperatures of the year with highs reaching 27.3°C (81.1°F) and lows at around 17.1°C (62.8°F). Weather in December »Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The average temperatures in Mendoza reach their apex in January, averaging 28.3°C (82.9°F) at the high end and 18.5°C (65.3°F) at the low end.
January is the month with the most rainfall. Rain falls for 13.8 days and accumulates 69mm (2.72") of precipitation.
In Mendoza, Argentina, during the entire year, the rain falls for 92.6 days and collects up to 324mm (12.76") of precipitation.
January through May, October through December are months without snowfall in Mendoza.
In Mendoza, Argentina, during the entire year, snow aggregates up to 31mm (1.22").
January, September and December, with an average of 9.7h of sunshine, are months with the most sunshine.
The months with the highest UV index are January, February and December, with an average maximum UV index of 6.
April and May, with an average of 9.4h of sunshine, are months with the least sunshine in Mendoza, Argentina.
With an average relative humidity of 60%, May is the most humid month.
May and July are months with the least rain in Mendoza when the rain falls for 3.3 days and typically aggregates up to 5mm (0.2") of rain.
May through July, with an average maximum UV index of 3, are months with the lowest UV index in Mendoza.
June through September are months with snowfall.
June has the shortest days of the year in Mendoza, Argentina, with an average of 10h and 0min of daylight.
July is the coldest month in Mendoza, with an average high-temperature of 11.2°C (52.2°F) and an average low-temperature of 3.2°C (37.8°F).
July is the month with the most snowfall in Mendoza, Argentina. Snow falls for 0.8 days and accumulates 17mm (0.67") of snow.
December is the least humid month in Mendoza, with an average relative humidity of 39%.
December has the longest days of the year in Mendoza, with an average of 14h and 18min of daylight.
Mendoza does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Mendoza, Argentina
The warmest month (with the highest average high temperature) is January (28.3°C).
The month with the lowest average high temperature is July (11.2°C).
The month with the highest average low temperature is January (18.5°C).
The coldest month (with the lowest average low temperature) is July (3.2°C).
Average pressure
Mendoza, Argentina
- Average pressure in January:
1011.8mbar - Average pressure in February:
1012.3mbar - Average pressure in March:
1013.9mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1017.5mbar
- Average pressure in July:
1018.6mbar - Average pressure in August:
1017.6mbar - Average pressure in September:
1017mbar - Average pressure in October:
1014.6mbar - Average pressure in November:
1012.7mbar - Average pressure in December:
1011.2mbar
The month with the highest atmospheric pressure is July (1018.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed
Mendoza, Argentina
- Average wind speed in January:
11.7km/h - Average wind speed in February:
11.2km/h - Average wind speed in March:
10.5km/h - Average wind speed in April:
9.4km/h - Average wind speed in May:
8km/h - Average wind speed in June:
7.7km/h
- Average wind speed in July:
7.8km/h - Average wind speed in August:
9.2km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
12.5km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
12.7km/h
The windiest month (with the highest average wind speed) is November (12.8km/h).
The calmest month (with the lowest average wind speed) is June (7.7km/h).
Average humidity
Mendoza, Argentina
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is December (39%).
Average rainfall
Mendoza, Argentina
The wettest month (with the highest rainfall) is January (69mm).
The driest months (with the least rainfall) are May and July (5mm).
Average rainfall days
Mendoza, Argentina
- Average rainfall days in January:
13.8 days - Average rainfall days in February:
13.5 days - Average rainfall days in March:
9.2 days - Average rainfall days in April:
7 days - Average rainfall days in May:
3.3 days - Average rainfall days in June:
2.9 days
- Average rainfall days in July:
2.5 days - Average rainfall days in August:
2.9 days - Average rainfall days in September:
4.5 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
10.3 days - Average rainfall days in December:
13.2 days
The month with the highest number of rainy days is January (13.8 days).
The month with the least rainy days is July (2.5 days).
Average snowfall
Mendoza, Argentina
The month with the highest snowfall is July (17mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).
Average snowfall days
Mendoza, Argentina
- Average snowfall days in January:
0 days - Average snowfall days in February:
0 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0.8 days - Average snowfall days in August:
0.7 days - Average snowfall days in September:
0.7 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The month with the highest number of snowfall days is July (0.8 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).
Average daylight / Average sunshine
Mendoza, Argentina
- Average daylight in January:
14h and 0min - Average daylight in February:
13h and 18min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 18min - Average daylight in May:
10h and 24min - Average daylight in June:
10h and 0min
- Average daylight in July:
10h and 12min - Average daylight in August:
11h and 0min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 54min - Average daylight in November:
13h and 48min - Average daylight in December:
14h and 18min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in January:
9h and 42min - Average sunshine in February:
9h and 36min - Average sunshine in March:
9h and 36min - Average sunshine in April:
9h and 24min - Average sunshine in May:
9h and 24min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
9h and 30min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 42min - Average sunshine in October:
9h and 30min - Average sunshine in November:
9h and 36min - Average sunshine in December:
9h and 42min
The months with the most sunshine are January, September and December (Average sunshine: 9h and 42min).
The months with the least sunshine are April and May (Average sunshine: 9h and 24min).
Average sunshine days
Mendoza, Argentina
- Average sunshine days in January:
14.4 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
20.3 days - Average sunshine days in April:
22 days - Average sunshine days in May:
26 days - Average sunshine days in June:
26.5 days
- Average sunshine days in July:
27.6 days - Average sunshine days in August:
26.5 days - Average sunshine days in September:
23.9 days - Average sunshine days in October:
19.7 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
15 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (12.6 days).
Average UV index
Mendoza, Argentina
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover
Mendoza, Argentina
The months with the most cloud cover are April, May and October (Cloud cover 16).
The month with the least cloud cover is June (Cloud cover 11).
Average visibility
Mendoza, Argentina
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
