Chimbas climate — normals and trends
Chimbas (Argentina) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.8 °C and it receives 203 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 (25.6 °C on average) and the coldest is July (9.1 °C). Rainfall peaks in March.
Chimbas averages 13 frost days, 101 hot days (≥ 30 °C) and 42 rainy days per year.
Chimbas has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 8 to 18 per year over the period.
The hottest day of the period reached 44.1 °C (on 16 December 2023) and the coldest -6.8 °C (on 13 July 2000).
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
ChimbasSan Juan
- coords
- -31.49°, -68.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.8°C
Average daily high
24.9°C
Average daily low
11.2°C
Annual rainfall
203mm
Sunshine / day
11.2h
Mean relative humidity
54%
Average peak wind
15.5km/h
Seasonal range
16.5°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
101 d/yr
Rainy days (≥ 1 mm)
42 d/yr
Annual snowfall
1.5 cm
Average feels-like high
23.9 °C
Average feels-like low
9.4 °C
Average peak gust
36.5 km/h
Tropical nights (≥ 20 °C)
28 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
44.1 °C
16 December 2023
Coldest day
-6.8 °C
13 July 2000
Wettest day
63 mm
25 January 1944
Windiest day
47.5 km/h
24 December 2019
Strongest gust
93.6 km/h
10 February 1997
Hottest feels-like
45.8 °C
9 February 2001
Coldest feels-like
-11.0 °C
13 July 2000
Snowiest day
6.5 cm
4 July 1953
Sunniest day
14.0 h
17 December 1988
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 | 35.0 °C | +2.8 °C | 5 mm | -18 mm |
| Feb | 35.8 °C | +4.8 °C | 3 mm | -18 mm |
| Mar | 29.2 °C | +0.9 °C | 15 mm | -8 mm |
| Apr | 25.1 °C | +0.8 °C | 2 mm | -15 mm |
| May | 23.1 °C | +2.7 °C | 6 mm | -5 mm |
| Jun | 17.8 °C | +0.6 °C | 2 mm | -7 mm |
| Jul | 18.7 °C | +1.7 °C | 3 mm | -7 mm |
| Aug | 20.3 °C | +0.5 °C | 36 mm | +26 mm |
| Sep | 25.4 °C | +2.9 °C | 2 mm | -16 mm |
| Oct | 28.5 °C | +2.6 °C | 3 mm | -21 mm |
| Nov | 30.8 °C | +1.7 °C | 23 mm | +5 mm |
| Dec | 32.5 °C | +1.0 °C | 23 mm | +4 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 Chimbas?
Chimbas has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.8 °C and it receives 203 mm of precipitation per year.
What is the hottest day ever recorded in Chimbas?
The hottest day measured in Chimbas between 1940 and 2025 was 16 December 2023, reaching 44.1 °C.
What is the coldest day in Chimbas?
The coldest day measured in Chimbas between 1940 and 2025 was 13 July 2000, at -6.8 °C.
Does it snow in Chimbas?
Yes. Chimbas gets on average 1.5 cm of snow per year and has around 13 frost days.
Has the climate of Chimbas warmed?
Yes: Chimbas warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chimbas?
The wettest day measured in Chimbas between 1940 and 2025 was 25 January 1944, with 63 mm of rain in 24 hours.
What was the windiest day in Chimbas?
The windiest day measured in Chimbas between 1940 and 2025 was 24 December 2019, with winds reaching 47.5 km/h.
What is the warmest month in Chimbas?
The warmest month in Chimbas is January (25.6 °C on average); the coldest is July (9.1 °C).
How much does it rain in Chimbas?
Chimbas receives on average 203 mm of precipitation per year, spread over about 42 rainy days.
Is it sunny in Chimbas?
Chimbas gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chimbas?
The heaviest 24-hour snowfall measured in Chimbas between 1940 and 2025 was 4 July 1953, with 6.5 cm.
Are there tropical nights in Chimbas?
Yes: Chimbas has on average 28 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chimbas?
In Chimbas, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 9 February 2001, and the lowest was -11.0 °C on 13 July 2000.
Compare Chimbas with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chimbas