Mulchén climate — normals and trends
Mulchén (Chile) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 12.4 °C and it receives 1,330 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 (18.2 °C on average) and the coldest is July (7.2 °C). Rainfall peaks in June.
Mulchén averages 13 frost days, 7 hot days (≥ 30 °C) and 102 rainy days per year.
No statistically significant temperature trend emerges for Mulchén between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 40.2 °C (on 3 February 2023) and the coldest -7.8 °C (on 15 June 1940).
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
MulchénBiobio
- coords
- -37.72°, -72.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.4°C
Average daily high
18.0°C
Average daily low
7.4°C
Annual rainfall
1,330mm
Sunshine / day
10.0h
Mean relative humidity
76%
Average peak wind
19.5km/h
Seasonal range
11.0°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
102 d/yr
Annual snowfall
1.3 cm
Average feels-like high
16.5 °C
Average feels-like low
4.5 °C
Average peak gust
38.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.5 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
40.2 °C
3 February 2023
Coldest day
-7.8 °C
15 June 1940
Wettest day
124 mm
12 May 1980
Windiest day
58.7 km/h
11 July 1987
Strongest gust
129.6 km/h
11 July 1987
Hottest feels-like
41.9 °C
6 February 1990
Coldest feels-like
-12.2 °C
15 June 1940
Snowiest day
4.6 cm
20 July 2010
Sunniest day
14.6 h
11 December 1941
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 | 28.5 °C | +3.3 °C | 8 mm | -15 mm |
| Feb | 27.3 °C | +2.0 °C | 2 mm | -19 mm |
| Mar | 23.6 °C | +1.0 °C | 71 mm | +34 mm |
| Apr | 17.4 °C | -0.6 °C | 112 mm | +21 mm |
| May | 13.7 °C | -0.3 °C | 162 mm | -56 mm |
| Jun | 11.4 °C | -0.1 °C | 149 mm | -117 mm |
| Jul | 12.4 °C | +1.1 °C | 269 mm | +42 mm |
| Aug | 14.4 °C | +1.8 °C | 93 mm | -83 mm |
| Sep | 15.4 °C | +0.7 °C | 133 mm | +21 mm |
| Oct | 18.7 °C | +1.7 °C | 64 mm | -17 mm |
| Nov | 22.6 °C | +2.5 °C | 27 mm | -19 mm |
| Dec | 25.1 °C | +2.0 °C | 34 mm | +0 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 Mulchén?
Mulchén has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 12.4 °C and it receives 1,330 mm of precipitation per year.
What is the hottest day ever recorded in Mulchén?
The hottest day measured in Mulchén between 1940 and 2025 was 3 February 2023, reaching 40.2 °C.
What is the coldest day in Mulchén?
The coldest day measured in Mulchén between 1940 and 2025 was 15 June 1940, at -7.8 °C.
Does it snow in Mulchén?
Yes. Mulchén gets on average 1.3 cm of snow per year and has around 13 frost days.
Has the climate of Mulchén warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Mulchén.
What is the wettest day in Mulchén?
The wettest day measured in Mulchén between 1940 and 2025 was 12 May 1980, with 124 mm of rain in 24 hours.
What was the windiest day in Mulchén?
The windiest day measured in Mulchén between 1940 and 2025 was 11 July 1987, with winds reaching 58.7 km/h.
What is the warmest month in Mulchén?
The warmest month in Mulchén is January (18.2 °C on average); the coldest is July (7.2 °C).
How much does it rain in Mulchén?
Mulchén receives on average 1,330 mm of precipitation per year, spread over about 102 rainy days.
Is it sunny in Mulchén?
Mulchén gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mulchén?
The heaviest 24-hour snowfall measured in Mulchén between 1940 and 2025 was 20 July 2010, with 4.6 cm.
Are there tropical nights in Mulchén?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mulchén.
What was the most extreme apparent temperature in Mulchén?
In Mulchén, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 6 February 1990, and the lowest was -12.2 °C on 15 June 1940.
Compare Mulchén with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mulchén