Comodoro Rivadavia climate — normals and trends
Comodoro Rivadavia (Argentina) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 11.7 °C and it receives 250 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 (17.8 °C on average) and the coldest is July (5.3 °C). Rainfall peaks in June.
Comodoro Rivadavia averages 13 frost days, 2 hot days (≥ 30 °C) and 51 rainy days per year.
Comodoro Rivadavia has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 20 to 6 per year over the period.
The hottest day of the period reached 35.4 °C (on 3 February 2008) and the coldest -8.6 °C (on 27 July 1984).
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
Comodoro RivadaviaChubut
- coords
- -45.86°, -67.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.7°C
Average daily high
15.5°C
Average daily low
8.1°C
Annual rainfall
250mm
Sunshine / day
10.4h
Mean relative humidity
54%
Average peak wind
28.9km/h
Seasonal range
12.5°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
51 d/yr
Annual snowfall
12.8 cm
Average feels-like high
11.5 °C
Average feels-like low
3.2 °C
Average peak gust
51.4 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
16.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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
35.4 °C
3 February 2008
Coldest day
-8.6 °C
27 July 1984
Wettest day
90 mm
30 March 2017
Windiest day
69.2 km/h
17 November 2025
Strongest gust
125.6 km/h
21 December 2008
Hottest feels-like
33.3 °C
18 January 1946
Coldest feels-like
-14.4 °C
27 July 1984
Snowiest day
14.5 cm
9 April 1980
Sunniest day
15.0 h
6 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 | 23.4 °C | +1.2 °C | 23 mm | +6 mm |
| Feb | 21.6 °C | -0.1 °C | 13 mm | -6 mm |
| Mar | 20.1 °C | +0.6 °C | 47 mm | +26 mm |
| Apr | 15.6 °C | -0.2 °C | 21 mm | -3 mm |
| May | 12.5 °C | +0.7 °C | 16 mm | -12 mm |
| Jun | 10.0 °C | +1.5 °C | 19 mm | -9 mm |
| Jul | 10.5 °C | +2.3 °C | 12 mm | -12 mm |
| Aug | 11.3 °C | +1.1 °C | 20 mm | -2 mm |
| Sep | 13.9 °C | +1.1 °C | 18 mm | -0 mm |
| Oct | 17.2 °C | +1.4 °C | 4 mm | -14 mm |
| Nov | 19.3 °C | +0.5 °C | 6 mm | -9 mm |
| Dec | 22.2 °C | +1.4 °C | 2 mm | -14 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 Comodoro Rivadavia?
Comodoro Rivadavia has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 11.7 °C and it receives 250 mm of precipitation per year.
What is the hottest day ever recorded in Comodoro Rivadavia?
The hottest day measured in Comodoro Rivadavia between 1940 and 2025 was 3 February 2008, reaching 35.4 °C.
What is the coldest day in Comodoro Rivadavia?
The coldest day measured in Comodoro Rivadavia between 1940 and 2025 was 27 July 1984, at -8.6 °C.
Does it snow in Comodoro Rivadavia?
Yes. Comodoro Rivadavia gets on average 12.8 cm of snow per year and has around 13 frost days.
Has the climate of Comodoro Rivadavia warmed?
Yes: Comodoro Rivadavia warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Comodoro Rivadavia?
The wettest day measured in Comodoro Rivadavia between 1940 and 2025 was 30 March 2017, with 90 mm of rain in 24 hours.
What was the windiest day in Comodoro Rivadavia?
The windiest day measured in Comodoro Rivadavia between 1940 and 2025 was 17 November 2025, with winds reaching 69.2 km/h.
What is the warmest month in Comodoro Rivadavia?
The warmest month in Comodoro Rivadavia is January (17.8 °C on average); the coldest is July (5.3 °C).
How much does it rain in Comodoro Rivadavia?
Comodoro Rivadavia receives on average 250 mm of precipitation per year, spread over about 51 rainy days.
Is it sunny in Comodoro Rivadavia?
Comodoro Rivadavia gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Comodoro Rivadavia?
The heaviest 24-hour snowfall measured in Comodoro Rivadavia between 1940 and 2025 was 9 April 1980, with 14.5 cm.
Are there tropical nights in Comodoro Rivadavia?
Yes: Comodoro Rivadavia has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Comodoro Rivadavia?
In Comodoro Rivadavia, between 1940 and 2025, the highest apparent temperature reached 33.3 °C on 18 January 1946, and the lowest was -14.4 °C on 27 July 1984.
Compare Comodoro Rivadavia with another city
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Nearby cities
The climate around Comodoro Rivadavia