Caleta Olivia climate — normals and trends
Caleta Olivia (Argentina) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 11.9 °C and it receives 212 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 (18.5 °C on average) and the coldest is July (5.0 °C). Rainfall peaks in May.
Caleta Olivia averages 35 frost days, 5 hot days (≥ 30 °C) and 47 rainy days per year.
Caleta Olivia has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 49 to 21 per year over the period.
The hottest day of the period reached 37.1 °C (on 3 February 2008) and the coldest -12.6 °C (on 5 July 1945).
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
Caleta OliviaSanta Cruz
- coords
- -46.45°, -67.52°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.9°C
Average daily high
16.8°C
Average daily low
7.2°C
Annual rainfall
212mm
Sunshine / day
10.2h
Mean relative humidity
53%
Average peak wind
30.5km/h
Seasonal range
13.5°C
Frost days (< 0 °C)
35 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
47 d/yr
Annual snowfall
5.4 cm
Average feels-like high
12.2 °C
Average feels-like low
2.6 °C
Average peak gust
51.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
15.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
37.1 °C
3 February 2008
Coldest day
-12.6 °C
5 July 1945
Wettest day
58 mm
30 March 2017
Windiest day
77.3 km/h
17 November 2025
Strongest gust
129.6 km/h
17 November 2025
Hottest feels-like
35.3 °C
18 January 1946
Coldest feels-like
-18.2 °C
5 July 1945
Snowiest day
16.9 cm
9 April 1980
Sunniest day
15.0 h
15 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 | 24.6 °C | +0.6 °C | 21 mm | +3 mm |
| Feb | 23.0 °C | -0.3 °C | 9 mm | -6 mm |
| Mar | 21.5 °C | +0.7 °C | 33 mm | +17 mm |
| Apr | 16.4 °C | -0.5 °C | 22 mm | +3 mm |
| May | 13.5 °C | +1.1 °C | 9 mm | -13 mm |
| Jun | 10.4 °C | +1.5 °C | 13 mm | -9 mm |
| Jul | 11.3 °C | +2.4 °C | 11 mm | -6 mm |
| Aug | 12.0 °C | +0.7 °C | 19 mm | +1 mm |
| Sep | 15.2 °C | +0.9 °C | 17 mm | +1 mm |
| Oct | 19.2 °C | +1.6 °C | 5 mm | -11 mm |
| Nov | 21.5 °C | +0.8 °C | 8 mm | -7 mm |
| Dec | 25.0 °C | +2.3 °C | 6 mm | -12 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 Caleta Olivia?
Caleta Olivia has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 11.9 °C and it receives 212 mm of precipitation per year.
What is the hottest day ever recorded in Caleta Olivia?
The hottest day measured in Caleta Olivia between 1940 and 2025 was 3 February 2008, reaching 37.1 °C.
What is the coldest day in Caleta Olivia?
The coldest day measured in Caleta Olivia between 1940 and 2025 was 5 July 1945, at -12.6 °C.
Does it snow in Caleta Olivia?
Yes. Caleta Olivia gets on average 5.4 cm of snow per year and has around 35 frost days.
Has the climate of Caleta Olivia warmed?
Yes: Caleta Olivia warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Caleta Olivia?
The wettest day measured in Caleta Olivia between 1940 and 2025 was 30 March 2017, with 58 mm of rain in 24 hours.
What was the windiest day in Caleta Olivia?
The windiest day measured in Caleta Olivia between 1940 and 2025 was 17 November 2025, with winds reaching 77.3 km/h.
What is the warmest month in Caleta Olivia?
The warmest month in Caleta Olivia is January (18.5 °C on average); the coldest is July (5.0 °C).
How much does it rain in Caleta Olivia?
Caleta Olivia receives on average 212 mm of precipitation per year, spread over about 47 rainy days.
Is it sunny in Caleta Olivia?
Caleta Olivia gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Caleta Olivia?
The heaviest 24-hour snowfall measured in Caleta Olivia between 1940 and 2025 was 9 April 1980, with 16.9 cm.
Are there tropical nights in Caleta Olivia?
Yes: Caleta Olivia has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Caleta Olivia?
In Caleta Olivia, between 1940 and 2025, the highest apparent temperature reached 35.3 °C on 18 January 1946, and the lowest was -18.2 °C on 5 July 1945.
Compare Caleta Olivia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Caleta Olivia