Río Cuarto climate — normals and trends
Río Cuarto (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.0 °C and it receives 802 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 (23.8 °C on average) and the coldest is July (9.5 °C). Rainfall peaks in November.
Río Cuarto averages 6 frost days, 54 hot days (≥ 30 °C) and 93 rainy days per year.
No statistically significant temperature trend emerges for Río Cuarto between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 42.5 °C (on 29 December 1971) and the coldest -13.6 °C (on 11 July 2007).
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
Río CuartoCordoba
- coords
- -33.13°, -64.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.0°C
Average daily high
22.8°C
Average daily low
12.1°C
Annual rainfall
802mm
Sunshine / day
9.8h
Mean relative humidity
67%
Average peak wind
17.1km/h
Seasonal range
14.3°C
Frost days (< 0 °C)
6 d/yr
Hot days (≥ 30 °C)
54 d/yr
Rainy days (≥ 1 mm)
93 d/yr
Annual snowfall
0.4 cm
Average feels-like high
22.3 °C
Average feels-like low
10.4 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
42.5 °C
29 December 1971
Coldest day
-13.6 °C
11 July 2007
Wettest day
86 mm
16 February 1941
Windiest day
52.0 km/h
1 November 1999
Strongest gust
99.0 km/h
1 November 1999
Hottest feels-like
45.3 °C
8 February 2025
Coldest feels-like
-18.3 °C
11 July 2007
Snowiest day
5.1 cm
30 August 1993
Sunniest day
13.9 h
10 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 | 31.9 °C | +2.4 °C | 33 mm | -68 mm |
| Feb | 31.3 °C | +3.1 °C | 91 mm | -4 mm |
| Mar | 26.1 °C | 0.0 °C | 179 mm | +80 mm |
| Apr | 22.0 °C | -0.7 °C | 24 mm | -40 mm |
| May | 21.0 °C | +2.0 °C | 16 mm | -17 mm |
| Jun | 16.3 °C | +0.6 °C | 2 mm | -16 mm |
| Jul | 16.0 °C | +0.7 °C | 50 mm | +33 mm |
| Aug | 18.2 °C | +0.4 °C | 94 mm | +71 mm |
| Sep | 22.2 °C | +1.8 °C | 54 mm | +4 mm |
| Oct | 25.3 °C | +2.0 °C | 92 mm | -3 mm |
| Nov | 27.2 °C | +0.7 °C | 82 mm | -24 mm |
| Dec | 30.7 °C | +1.8 °C | 55 mm | -47 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 Río Cuarto?
Río Cuarto has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.0 °C and it receives 802 mm of precipitation per year.
What is the hottest day ever recorded in Río Cuarto?
The hottest day measured in Río Cuarto between 1940 and 2025 was 29 December 1971, reaching 42.5 °C.
What is the coldest day in Río Cuarto?
The coldest day measured in Río Cuarto between 1940 and 2025 was 11 July 2007, at -13.6 °C.
Does it snow in Río Cuarto?
Almost never: Río Cuarto sees virtually no snow, with about 6 frost days per year.
Has the climate of Río Cuarto warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Río Cuarto.
What is the wettest day in Río Cuarto?
The wettest day measured in Río Cuarto between 1940 and 2025 was 16 February 1941, with 86 mm of rain in 24 hours.
What was the windiest day in Río Cuarto?
The windiest day measured in Río Cuarto between 1940 and 2025 was 1 November 1999, with winds reaching 52.0 km/h.
What is the warmest month in Río Cuarto?
The warmest month in Río Cuarto is January (23.8 °C on average); the coldest is July (9.5 °C).
How much does it rain in Río Cuarto?
Río Cuarto receives on average 802 mm of precipitation per year, spread over about 93 rainy days.
Is it sunny in Río Cuarto?
Río Cuarto gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
What is the biggest single-day snowfall in Río Cuarto?
The heaviest 24-hour snowfall measured in Río Cuarto between 1940 and 2025 was 30 August 1993, with 5.1 cm.
Are there tropical nights in Río Cuarto?
Yes: Río Cuarto has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Río Cuarto?
In Río Cuarto, between 1940 and 2025, the highest apparent temperature reached 45.3 °C on 8 February 2025, and the lowest was -18.3 °C on 11 July 2007.
Compare Río Cuarto with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Río Cuarto