San Clemente climate — normals and trends
San Clemente (Chile) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 892 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 (20.9 °C on average) and the coldest is July (8.3 °C). Rainfall peaks in June.
San Clemente averages 7 frost days, 24 hot days (≥ 30 °C) and 63 rainy days per year.
The mean temperature of San Clemente has changed by -0.4 °C between 1940 and 2025, or -0.05 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.5 °C (on 12 January 1941) and the coldest -5.2 °C (on 7 July 1960).
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
San ClementeMaule Region
- coords
- -35.54°, -71.49°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
20.7°C
Average daily low
8.7°C
Annual rainfall
892mm
Sunshine / day
10.5h
Mean relative humidity
71%
Average peak wind
13.4km/h
Seasonal range
12.6°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
24 d/yr
Rainy days (≥ 1 mm)
63 d/yr
Annual snowfall
0.2 cm
Average feels-like high
20.1 °C
Average feels-like low
6.9 °C
Average peak gust
29.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
-0.4 °C
since 1940
-0.1 °C per decade · r² = 0.05 · p = 0.035
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
37.5 °C
12 January 1941
Coldest day
-5.2 °C
7 July 1960
Wettest day
121 mm
1 June 1949
Windiest day
44.2 km/h
16 June 2017
Strongest gust
107.6 km/h
23 August 1996
Hottest feels-like
38.7 °C
21 December 1941
Coldest feels-like
-8.9 °C
7 July 1960
Snowiest day
5.1 cm
14 July 2022
Sunniest day
14.4 h
17 December 1942
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 | 31.2 °C | +2.6 °C | 0 mm | -5 mm |
| Feb | 30.1 °C | +2.0 °C | 0 mm | -6 mm |
| Mar | 25.9 °C | +0.3 °C | 33 mm | +21 mm |
| Apr | 20.1 °C | -0.7 °C | 38 mm | -9 mm |
| May | 16.4 °C | +0.1 °C | 115 mm | -38 mm |
| Jun | 12.8 °C | -0.7 °C | 164 mm | -42 mm |
| Jul | 14.7 °C | +1.4 °C | 97 mm | -85 mm |
| Aug | 15.7 °C | +0.9 °C | 125 mm | -2 mm |
| Sep | 17.9 °C | +0.9 °C | 87 mm | +7 mm |
| Oct | 21.6 °C | +1.7 °C | 37 mm | -6 mm |
| Nov | 25.3 °C | +1.6 °C | 5 mm | -15 mm |
| Dec | 28.7 °C | +1.8 °C | 2 mm | -10 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 San Clemente?
San Clemente has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 892 mm of precipitation per year.
What is the hottest day ever recorded in San Clemente?
The hottest day measured in San Clemente between 1940 and 2025 was 12 January 1941, reaching 37.5 °C.
What is the coldest day in San Clemente?
The coldest day measured in San Clemente between 1940 and 2025 was 7 July 1960, at -5.2 °C.
Does it snow in San Clemente?
Almost never: San Clemente sees virtually no snow, with about 7 frost days per year.
Has the climate of San Clemente warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in San Clemente.
What is the wettest day in San Clemente?
The wettest day measured in San Clemente between 1940 and 2025 was 1 June 1949, with 121 mm of rain in 24 hours.
What was the windiest day in San Clemente?
The windiest day measured in San Clemente between 1940 and 2025 was 16 June 2017, with winds reaching 44.2 km/h.
What is the warmest month in San Clemente?
The warmest month in San Clemente is January (20.9 °C on average); the coldest is July (8.3 °C).
How much does it rain in San Clemente?
San Clemente receives on average 892 mm of precipitation per year, spread over about 63 rainy days.
Is it sunny in San Clemente?
San Clemente gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in San Clemente?
The heaviest 24-hour snowfall measured in San Clemente between 1940 and 2025 was 14 July 2022, with 5.1 cm.
Are there tropical nights in San Clemente?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in San Clemente.
What was the most extreme apparent temperature in San Clemente?
In San Clemente, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 21 December 1941, and the lowest was -8.9 °C on 7 July 1960.
Compare San Clemente with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around San Clemente