Colbún climate — normals and trends
Colbún (Chile) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 13.6 °C and it receives 1,100 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 (20.3 °C on average) and the coldest is July (7.4 °C). Rainfall peaks in June.
Colbún averages 16 frost days, 13 hot days (≥ 30 °C) and 70 rainy days per year.
No statistically significant temperature trend emerges for Colbún between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 36.9 °C (on 12 January 1941) and the coldest -6.7 °C (on 21 June 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
ColbúnMaule Region
- coords
- -35.69°, -71.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.6°C
Average daily high
19.9°C
Average daily low
7.7°C
Annual rainfall
1,100mm
Sunshine / day
10.5h
Mean relative humidity
71%
Average peak wind
12.1km/h
Seasonal range
12.9°C
Frost days (< 0 °C)
16 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
70 d/yr
Annual snowfall
2.3 cm
Average feels-like high
19.3 °C
Average feels-like low
5.9 °C
Average peak gust
31.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
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
36.9 °C
12 January 1941
Coldest day
-6.7 °C
21 June 1945
Wettest day
140 mm
1 June 1949
Windiest day
42.1 km/h
16 June 2017
Strongest gust
122.8 km/h
23 August 1996
Hottest feels-like
38.2 °C
26 January 2017
Coldest feels-like
-10.8 °C
18 June 1945
Snowiest day
8.5 cm
14 July 2022
Sunniest day
14.4 h
14 December 2020
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 | 30.3 °C | +2.8 °C | 0 mm | -7 mm |
| Feb | 29.2 °C | +2.1 °C | 0 mm | -8 mm |
| Mar | 25.0 °C | +0.3 °C | 40 mm | +24 mm |
| Apr | 19.4 °C | -0.6 °C | 54 mm | -6 mm |
| May | 15.9 °C | +0.2 °C | 132 mm | -57 mm |
| Jun | 12.4 °C | -0.6 °C | 184 mm | -64 mm |
| Jul | 14.5 °C | +1.8 °C | 116 mm | -103 mm |
| Aug | 15.1 °C | +0.9 °C | 151 mm | -6 mm |
| Sep | 17.2 °C | +0.9 °C | 96 mm | -1 mm |
| Oct | 20.8 °C | +1.9 °C | 46 mm | -10 mm |
| Nov | 24.2 °C | +1.6 °C | 5 mm | -21 mm |
| Dec | 27.6 °C | +1.8 °C | 4 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 Colbún?
Colbún has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 13.6 °C and it receives 1,100 mm of precipitation per year.
What is the hottest day ever recorded in Colbún?
The hottest day measured in Colbún between 1940 and 2025 was 12 January 1941, reaching 36.9 °C.
What is the coldest day in Colbún?
The coldest day measured in Colbún between 1940 and 2025 was 21 June 1945, at -6.7 °C.
Does it snow in Colbún?
Yes. Colbún gets on average 2.3 cm of snow per year and has around 16 frost days.
Has the climate of Colbún warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Colbún.
What is the wettest day in Colbún?
The wettest day measured in Colbún between 1940 and 2025 was 1 June 1949, with 140 mm of rain in 24 hours.
What was the windiest day in Colbún?
The windiest day measured in Colbún between 1940 and 2025 was 16 June 2017, with winds reaching 42.1 km/h.
What is the warmest month in Colbún?
The warmest month in Colbún is January (20.3 °C on average); the coldest is July (7.4 °C).
How much does it rain in Colbún?
Colbún receives on average 1,100 mm of precipitation per year, spread over about 70 rainy days.
Is it sunny in Colbún?
Colbún 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 Colbún?
The heaviest 24-hour snowfall measured in Colbún between 1940 and 2025 was 14 July 2022, with 8.5 cm.
Are there tropical nights in Colbún?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Colbún.
What was the most extreme apparent temperature in Colbún?
In Colbún, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 26 January 2017, and the lowest was -10.8 °C on 18 June 1945.
Compare Colbún with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Colbún