Mendoza climate — normals and trends
Mendoza (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 507 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (24.9 °C on average) and the coldest is July (8.1 °C). Rainfall peaks in March.
Mendoza averages 6 frost days, 63 hot days (≥ 30 °C) and 85 rainy days per year.
Mendoza has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 41.3 °C (on 10 February 2025) and the coldest -5.9 °C (on 10 July 1969).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MendozaMendoza
- coords
- -32.89°, -68.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
22.3°C
Average daily low
11.6°C
Annual rainfall
507mm
Sunshine / day
10.6h
Mean relative humidity
58%
Average peak wind
15.1km/h
Seasonal range
16.8°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
63 d/yr
Rainy days (≥ 1 mm)
85 d/yr
Annual snowfall
3.2 cm
Average feels-like high
21.2 °C
Average feels-like low
9.6 °C
Average peak gust
29.0 km/h
Tropical nights (≥ 20 °C)
33 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.35 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
41.3 °C
10 February 2025
Coldest day
-5.9 °C
10 July 1969
Wettest day
87 mm
6 March 1958
Windiest day
46.4 km/h
24 December 2019
Strongest gust
80.3 km/h
24 December 2019
Hottest feels-like
42.0 °C
9 February 2001
Coldest feels-like
-10.2 °C
7 July 1960
Snowiest day
12.9 cm
30 August 2005
Sunniest day
14.2 h
21 December 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 34.2 °C | +3.7 °C | 17 mm | -40 mm |
| Feb | 34.5 °C | +5.3 °C | 20 mm | -34 mm |
| Mar | 26.3 °C | +0.4 °C | 106 mm | +44 mm |
| Apr | 21.7 °C | +0.4 °C | 11 mm | -31 mm |
| May | 20.0 °C | +3.0 °C | 16 mm | -15 mm |
| Jun | 14.8 °C | +1.0 °C | 17 mm | -7 mm |
| Jul | 15.2 °C | +1.6 °C | 4 mm | -21 mm |
| Aug | 17.6 °C | +1.2 °C | 82 mm | +57 mm |
| Sep | 22.5 °C | +2.9 °C | 11 mm | -26 mm |
| Oct | 27.0 °C | +3.5 °C | 6 mm | -44 mm |
| Nov | 28.8 °C | +1.7 °C | 60 mm | +9 mm |
| Dec | 31.2 °C | +1.4 °C | 49 mm | -0 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Mendoza?
Mendoza has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 507 mm of precipitation per year.
What is the hottest day ever recorded in Mendoza?
The hottest day measured in Mendoza between 1940 and 2025 was 10 February 2025, reaching 41.3 °C.
What is the coldest day in Mendoza?
The coldest day measured in Mendoza between 1940 and 2025 was 10 July 1969, at -5.9 °C.
Does it snow in Mendoza?
Yes. Mendoza gets on average 3.2 cm of snow per year and has around 6 frost days.
Has the climate of Mendoza warmed?
Yes: Mendoza warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mendoza?
The wettest day measured in Mendoza between 1940 and 2025 was 6 March 1958, with 87 mm of rain in 24 hours.
What was the windiest day in Mendoza?
The windiest day measured in Mendoza between 1940 and 2025 was 24 December 2019, with winds reaching 46.4 km/h.
What is the warmest month in Mendoza?
The warmest month in Mendoza is January (24.9 °C on average); the coldest is July (8.1 °C).
How much does it rain in Mendoza?
Mendoza receives on average 507 mm of precipitation per year, spread over about 85 rainy days.
Is it sunny in Mendoza?
Mendoza gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mendoza?
The heaviest 24-hour snowfall measured in Mendoza between 1940 and 2025 was 30 August 2005, with 12.9 cm.
Are there tropical nights in Mendoza?
Yes: Mendoza has on average 33 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mendoza?
In Mendoza, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 9 February 2001, and the lowest was -10.2 °C on 7 July 1960.
Compare Mendoza with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mendoza