Tunuyan climate — normals and trends
Tunuyan (Argentina) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 13.2 °C and it receives 933 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 (21.4 °C on average) and the coldest is July (4.9 °C). Rainfall peaks in October.
Tunuyan averages 42 frost days, 20 hot days (≥ 30 °C) and 135 rainy days per year.
Tunuyan has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.1 °C (on 10 February 2025) and the coldest -13.5 °C (on 23 July 2009).
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
TunuyanMendoza
- coords
- -33.58°, -69.02°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.2°C
Average daily high
19.5°C
Average daily low
7.3°C
Annual rainfall
933mm
Sunshine / day
11.3h
Mean relative humidity
63%
Average peak wind
12.4km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
42 d/yr
Hot days (≥ 30 °C)
20 d/yr
Rainy days (≥ 1 mm)
135 d/yr
Annual snowfall
20.7 cm
Average feels-like high
18.4 °C
Average feels-like low
5.1 °C
Average peak gust
28.0 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
19.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.28 · 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
37.1 °C
10 February 2025
Coldest day
-13.5 °C
23 July 2009
Wettest day
100 mm
25 January 1944
Windiest day
39.7 km/h
18 May 2005
Strongest gust
76.3 km/h
18 May 2005
Hottest feels-like
39.9 °C
10 February 2025
Coldest feels-like
-17.3 °C
23 July 2009
Snowiest day
21.6 cm
1 July 1942
Sunniest day
14.2 h
22 December 2025
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 | 31.1 °C | +3.6 °C | 22 mm | -55 mm |
| Feb | 31.5 °C | +5.3 °C | 19 mm | -56 mm |
| Mar | 23.7 °C | +0.5 °C | 91 mm | -3 mm |
| Apr | 18.9 °C | +0.1 °C | 52 mm | -32 mm |
| May | 17.3 °C | +2.6 °C | 39 mm | -35 mm |
| Jun | 12.3 °C | +0.9 °C | 43 mm | -15 mm |
| Jul | 12.7 °C | +1.7 °C | 29 mm | -26 mm |
| Aug | 14.5 °C | +1.1 °C | 129 mm | +68 mm |
| Sep | 19.0 °C | +2.6 °C | 47 mm | -35 mm |
| Oct | 23.3 °C | +3.1 °C | 28 mm | -73 mm |
| Nov | 25.9 °C | +2.0 °C | 71 mm | -24 mm |
| Dec | 27.5 °C | +0.8 °C | 88 mm | +12 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 Tunuyan?
Tunuyan has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 13.2 °C and it receives 933 mm of precipitation per year.
What is the hottest day ever recorded in Tunuyan?
The hottest day measured in Tunuyan between 1940 and 2025 was 10 February 2025, reaching 37.1 °C.
What is the coldest day in Tunuyan?
The coldest day measured in Tunuyan between 1940 and 2025 was 23 July 2009, at -13.5 °C.
Does it snow in Tunuyan?
Yes. Tunuyan gets on average 20.7 cm of snow per year and has around 42 frost days.
Has the climate of Tunuyan warmed?
Yes: Tunuyan warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tunuyan?
The wettest day measured in Tunuyan between 1940 and 2025 was 25 January 1944, with 100 mm of rain in 24 hours.
What was the windiest day in Tunuyan?
The windiest day measured in Tunuyan between 1940 and 2025 was 18 May 2005, with winds reaching 39.7 km/h.
What is the warmest month in Tunuyan?
The warmest month in Tunuyan is January (21.4 °C on average); the coldest is July (4.9 °C).
How much does it rain in Tunuyan?
Tunuyan receives on average 933 mm of precipitation per year, spread over about 135 rainy days.
Is it sunny in Tunuyan?
Tunuyan gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tunuyan?
The heaviest 24-hour snowfall measured in Tunuyan between 1940 and 2025 was 1 July 1942, with 21.6 cm.
Are there tropical nights in Tunuyan?
Yes: Tunuyan has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tunuyan?
In Tunuyan, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 10 February 2025, and the lowest was -17.3 °C on 23 July 2009.
Compare Tunuyan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tunuyan