Rivadavia climate — normals and trends
Rivadavia (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.2 °C and it receives 645 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 (24.0 °C on average) and the coldest is July (7.6 °C). Rainfall peaks in January.
Rivadavia averages 12 frost days, 61 hot days (≥ 30 °C) and 95 rainy days per year.
Rivadavia has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 9 to 15 per year over the period.
The hottest day of the period reached 42.2 °C (on 30 January 2003) and the coldest -8.7 °C (on 7 July 1960).
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
RivadaviaMendoza
- coords
- -33.19°, -68.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.2°C
Average daily high
22.3°C
Average daily low
10.8°C
Annual rainfall
645mm
Sunshine / day
10.5h
Mean relative humidity
59%
Average peak wind
18.4km/h
Seasonal range
16.4°C
Frost days (< 0 °C)
12 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
2.5 cm
Average feels-like high
20.9 °C
Average feels-like low
8.4 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
42.2 °C
30 January 2003
Coldest day
-8.7 °C
7 July 1960
Wettest day
67 mm
7 February 1979
Windiest day
54.8 km/h
12 December 1997
Strongest gust
90.7 km/h
12 December 1997
Hottest feels-like
42.8 °C
9 February 2001
Coldest feels-like
-14.1 °C
7 July 1960
Snowiest day
6.2 cm
8 July 1983
Sunniest day
14.2 h
20 December 2024
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 | 33.8 °C | +3.7 °C | 64 mm | -54 mm |
| Feb | 34.0 °C | +5.4 °C | 68 mm | -27 mm |
| Mar | 25.5 °C | 0.0 °C | 105 mm | +20 mm |
| Apr | 22.0 °C | +0.7 °C | 7 mm | -37 mm |
| May | 20.3 °C | +3.2 °C | 20 mm | -5 mm |
| Jun | 15.2 °C | +1.4 °C | 5 mm | -9 mm |
| Jul | 15.3 °C | +1.5 °C | 5 mm | -9 mm |
| Aug | 18.2 °C | +1.5 °C | 66 mm | +49 mm |
| Sep | 23.1 °C | +3.1 °C | 4 mm | -24 mm |
| Oct | 27.6 °C | +3.7 °C | 6 mm | -42 mm |
| Nov | 29.8 °C | +2.3 °C | 44 mm | -27 mm |
| Dec | 31.4 °C | +1.5 °C | 83 mm | -6 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 Rivadavia?
Rivadavia has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.2 °C and it receives 645 mm of precipitation per year.
What is the hottest day ever recorded in Rivadavia?
The hottest day measured in Rivadavia between 1940 and 2025 was 30 January 2003, reaching 42.2 °C.
What is the coldest day in Rivadavia?
The coldest day measured in Rivadavia between 1940 and 2025 was 7 July 1960, at -8.7 °C.
Does it snow in Rivadavia?
Yes. Rivadavia gets on average 2.5 cm of snow per year and has around 12 frost days.
Has the climate of Rivadavia warmed?
Yes: Rivadavia warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rivadavia?
The wettest day measured in Rivadavia between 1940 and 2025 was 7 February 1979, with 67 mm of rain in 24 hours.
What was the windiest day in Rivadavia?
The windiest day measured in Rivadavia between 1940 and 2025 was 12 December 1997, with winds reaching 54.8 km/h.
What is the warmest month in Rivadavia?
The warmest month in Rivadavia is January (24.0 °C on average); the coldest is July (7.6 °C).
How much does it rain in Rivadavia?
Rivadavia receives on average 645 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Rivadavia?
Rivadavia gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rivadavia?
The heaviest 24-hour snowfall measured in Rivadavia between 1940 and 2025 was 8 July 1983, with 6.2 cm.
Are there tropical nights in Rivadavia?
Yes: Rivadavia has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rivadavia?
In Rivadavia, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 9 February 2001, and the lowest was -14.1 °C on 7 July 1960.
Compare Rivadavia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rivadavia