Berisso climate — normals and trends
Berisso (Argentina) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 966 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 (23.4 °C on average) and the coldest is July (10.9 °C). Rainfall peaks in March.
Berisso averages 0 frost days, 1 hot days (≥ 30 °C) and 91 rainy days per year.
Berisso has warmed by +0.6 °C between 1940 and 2025, or +0.07 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.7 °C (on 14 January 2022) and the coldest 1.2 °C (on 14 June 1967).
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
BerissoBuenos Aires
- coords
- -34.87°, -57.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.2°C
Average daily high
19.1°C
Average daily low
15.3°C
Annual rainfall
966mm
Sunshine / day
9.7h
Mean relative humidity
76%
Average peak wind
27.0km/h
Seasonal range
12.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
0.0 cm
Average feels-like high
18.9 °C
Average feels-like low
12.9 °C
Average peak gust
37.8 km/h
Tropical nights (≥ 20 °C)
78 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.6 °C
since 1940
+0.1 °C per decade · r² = 0.18 · 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
32.7 °C
14 January 2022
Coldest day
1.2 °C
14 June 1967
Wettest day
130 mm
3 February 1990
Windiest day
73.6 km/h
29 May 1984
Strongest gust
114.8 km/h
29 May 1984
Hottest feels-like
38.1 °C
10 January 2012
Coldest feels-like
-6.6 °C
1 August 1991
Snowiest day
0.2 cm
8 July 1960
Sunniest day
14.0 h
22 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 | 25.9 °C | +0.3 °C | 76 mm | -1 mm |
| Feb | 26.9 °C | +1.9 °C | 79 mm | -4 mm |
| Mar | 24.1 °C | +0.9 °C | 175 mm | +76 mm |
| Apr | 19.3 °C | -0.5 °C | 66 mm | -24 mm |
| May | 17.6 °C | +1.2 °C | 117 mm | +42 mm |
| Jun | 12.7 °C | -0.8 °C | 34 mm | -37 mm |
| Jul | 12.8 °C | +0.2 °C | 28 mm | -46 mm |
| Aug | 14.4 °C | +0.6 °C | 95 mm | +22 mm |
| Sep | 17.1 °C | +1.6 °C | 72 mm | -12 mm |
| Oct | 20.4 °C | +2.1 °C | 68 mm | -30 mm |
| Nov | 21.6 °C | +0.3 °C | 78 mm | -3 mm |
| Dec | 26.4 °C | +2.3 °C | 24 mm | -38 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 Berisso?
Berisso has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 966 mm of precipitation per year.
What is the hottest day ever recorded in Berisso?
The hottest day measured in Berisso between 1940 and 2025 was 14 January 2022, reaching 32.7 °C.
What is the coldest day in Berisso?
The coldest day measured in Berisso between 1940 and 2025 was 14 June 1967, at 1.2 °C.
Does it snow in Berisso?
Almost never: Berisso sees virtually no snow, with about 0 frost days per year.
Has the climate of Berisso warmed?
Yes: Berisso warmed by +0.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Berisso?
The wettest day measured in Berisso between 1940 and 2025 was 3 February 1990, with 130 mm of rain in 24 hours.
What was the windiest day in Berisso?
The windiest day measured in Berisso between 1940 and 2025 was 29 May 1984, with winds reaching 73.6 km/h.
What is the warmest month in Berisso?
The warmest month in Berisso is January (23.4 °C on average); the coldest is July (10.9 °C).
How much does it rain in Berisso?
Berisso receives on average 966 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Berisso?
Berisso gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Berisso?
The heaviest 24-hour snowfall measured in Berisso between 1940 and 2025 was 8 July 1960, with 0.2 cm.
Are there tropical nights in Berisso?
Yes: Berisso has on average 78 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Berisso?
In Berisso, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 10 January 2012, and the lowest was -6.6 °C on 1 August 1991.
Compare Berisso with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Berisso