Monte Caseros climate — normals and trends
Monte Caseros (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 19.5 °C and it receives 1,398 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 (25.9 °C on average) and the coldest is July (13.2 °C). Rainfall peaks in October.
Monte Caseros averages 1 frost days, 78 hot days (≥ 30 °C) and 102 rainy days per year.
No statistically significant temperature trend emerges for Monte Caseros between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 41.1 °C (on 13 January 2022) and the coldest -3.3 °C (on 8 June 2012).
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
Monte CaserosCorrientes
- coords
- -30.25°, -57.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
19.5°C
Average daily high
24.7°C
Average daily low
14.8°C
Annual rainfall
1,398mm
Sunshine / day
9.3h
Mean relative humidity
73%
Average peak wind
19.0km/h
Seasonal range
12.7°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
78 d/yr
Rainy days (≥ 1 mm)
102 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.4 °C
Average feels-like low
14.0 °C
Average peak gust
34.6 km/h
Tropical nights (≥ 20 °C)
76 d/yr
Solar radiation
17.4 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
41.1 °C
13 January 2022
Coldest day
-3.3 °C
8 June 2012
Wettest day
209 mm
8 March 1970
Windiest day
55.6 km/h
29 April 1992
Strongest gust
106.9 km/h
17 October 1982
Hottest feels-like
44.3 °C
20 January 2022
Coldest feels-like
-6.8 °C
14 June 1967
Sunniest day
13.9 h
3 January 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 | 33.4 °C | +2.1 °C | 23 mm | -113 mm |
| Feb | 34.7 °C | +4.4 °C | 87 mm | -42 mm |
| Mar | 30.6 °C | +2.2 °C | 98 mm | -26 mm |
| Apr | 24.2 °C | -0.4 °C | 80 mm | -60 mm |
| May | 22.3 °C | +1.3 °C | 268 mm | +166 mm |
| Jun | 15.9 °C | -2.4 °C | 77 mm | -22 mm |
| Jul | 18.4 °C | +0.2 °C | 84 mm | -1 mm |
| Aug | 20.2 °C | +0.2 °C | 75 mm | -14 mm |
| Sep | 22.0 °C | +0.1 °C | 173 mm | +51 mm |
| Oct | 25.7 °C | +1.1 °C | 68 mm | -75 mm |
| Nov | 27.8 °C | +0.3 °C | 85 mm | -33 mm |
| Dec | 30.9 °C | +0.7 °C | 166 mm | +56 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 Monte Caseros?
Monte Caseros has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 19.5 °C and it receives 1,398 mm of precipitation per year.
What is the hottest day ever recorded in Monte Caseros?
The hottest day measured in Monte Caseros between 1940 and 2025 was 13 January 2022, reaching 41.1 °C.
What is the coldest day in Monte Caseros?
The coldest day measured in Monte Caseros between 1940 and 2025 was 8 June 2012, at -3.3 °C.
Does it snow in Monte Caseros?
Almost never: Monte Caseros sees virtually no snow, with about 1 frost days per year.
Has the climate of Monte Caseros warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Monte Caseros.
What is the wettest day in Monte Caseros?
The wettest day measured in Monte Caseros between 1940 and 2025 was 8 March 1970, with 209 mm of rain in 24 hours.
What was the windiest day in Monte Caseros?
The windiest day measured in Monte Caseros between 1940 and 2025 was 29 April 1992, with winds reaching 55.6 km/h.
What is the warmest month in Monte Caseros?
The warmest month in Monte Caseros is January (25.9 °C on average); the coldest is July (13.2 °C).
How much does it rain in Monte Caseros?
Monte Caseros receives on average 1,398 mm of precipitation per year, spread over about 102 rainy days.
Is it sunny in Monte Caseros?
Monte Caseros gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
Are there tropical nights in Monte Caseros?
Yes: Monte Caseros has on average 76 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Monte Caseros?
In Monte Caseros, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 20 January 2022, and the lowest was -6.8 °C on 14 June 1967.
Compare Monte Caseros with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Monte Caseros