La Serena climate — normals and trends
La Serena (Chile) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 15.9 °C and it receives 96 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 (19.4 °C on average) and the coldest is July (12.3 °C). Rainfall peaks in June.
La Serena averages 0 frost days, 0 hot days (≥ 30 °C) and 11 rainy days per year.
The mean temperature of La Serena has changed by -1.3 °C between 1940 and 2025, or -0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.8 °C (on 5 October 1994) and the coldest 2.2 °C (on 10 July 2007).
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
La SerenaCoquimbo Region
- coords
- -29.91°, -71.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.9°C
Average daily high
20.3°C
Average daily low
12.6°C
Annual rainfall
96mm
Sunshine / day
10.9h
Mean relative humidity
76%
Average peak wind
11.6km/h
Seasonal range
7.1°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
11 d/yr
Annual snowfall
0.0 cm
Average feels-like high
20.8 °C
Average feels-like low
12.3 °C
Average peak gust
30.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
-1.3 °C
since 1940
-0.2 °C per decade · r² = 0.46 · 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
33.8 °C
5 October 1994
Coldest day
2.2 °C
10 July 2007
Wettest day
76 mm
6 June 1992
Windiest day
35.7 km/h
20 September 1956
Strongest gust
101.2 km/h
10 July 1984
Hottest feels-like
33.2 °C
16 February 1983
Coldest feels-like
-0.9 °C
10 July 2007
Sunniest day
13.8 h
2 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 24.0 °C | +0.1 °C | 0 mm | -0 mm |
| Feb | 24.5 °C | +0.6 °C | 0 mm | -0 mm |
| Mar | 23.5 °C | +0.8 °C | 0 mm | -2 mm |
| Apr | 21.1 °C | +0.5 °C | 0 mm | -3 mm |
| May | 20.0 °C | +1.4 °C | 1 mm | -17 mm |
| Jun | 17.3 °C | +0.3 °C | 11 mm | -16 mm |
| Jul | 17.1 °C | +0.6 °C | 11 mm | -11 mm |
| Aug | 17.4 °C | 0.0 °C | 50 mm | +35 mm |
| Sep | 20.2 °C | +1.5 °C | 0 mm | -6 mm |
| Oct | 20.9 °C | +0.6 °C | 0 mm | -3 mm |
| Nov | 21.9 °C | +0.3 °C | 0 mm | -0 mm |
| Dec | 23.8 °C | +0.8 °C | 1 mm | +1 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 La Serena?
La Serena has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 15.9 °C and it receives 96 mm of precipitation per year.
What is the hottest day ever recorded in La Serena?
The hottest day measured in La Serena between 1940 and 2025 was 5 October 1994, reaching 33.8 °C.
What is the coldest day in La Serena?
The coldest day measured in La Serena between 1940 and 2025 was 10 July 2007, at 2.2 °C.
Does it snow in La Serena?
Almost never: La Serena sees virtually no snow, with about 0 frost days per year.
Has the climate of La Serena warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in La Serena.
What is the wettest day in La Serena?
The wettest day measured in La Serena between 1940 and 2025 was 6 June 1992, with 76 mm of rain in 24 hours.
What was the windiest day in La Serena?
The windiest day measured in La Serena between 1940 and 2025 was 20 September 1956, with winds reaching 35.7 km/h.
What is the warmest month in La Serena?
The warmest month in La Serena is January (19.4 °C on average); the coldest is July (12.3 °C).
How much does it rain in La Serena?
La Serena receives on average 96 mm of precipitation per year, spread over about 11 rainy days.
Is it sunny in La Serena?
La Serena gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in La Serena?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in La Serena.
What was the most extreme apparent temperature in La Serena?
In La Serena, between 1940 and 2025, the highest apparent temperature reached 33.2 °C on 16 February 1983, and the lowest was -0.9 °C on 10 July 2007.
Compare La Serena with another city
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Nearby cities
The climate around La Serena