Chiguayante climate — normals and trends
Chiguayante (Chile) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 12.6 °C and it receives 1,016 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 (18.0 °C on average) and the coldest is July (8.0 °C). Rainfall peaks in June.
Chiguayante averages 8 frost days, 3 hot days (≥ 30 °C) and 85 rainy days per year.
No statistically significant temperature trend emerges for Chiguayante between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 38.4 °C (on 3 February 2023) and the coldest -4.6 °C (on 9 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
ChiguayanteBiobio
- coords
- -36.93°, -73.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.6°C
Average daily high
17.9°C
Average daily low
7.8°C
Annual rainfall
1,016mm
Sunshine / day
10.3h
Mean relative humidity
79%
Average peak wind
16.4km/h
Seasonal range
10.0°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
85 d/yr
Annual snowfall
0.0 cm
Average feels-like high
17.1 °C
Average feels-like low
5.8 °C
Average peak gust
36.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.7 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
38.4 °C
3 February 2023
Coldest day
-4.6 °C
9 July 2007
Wettest day
117 mm
2 May 1984
Windiest day
50.3 km/h
11 July 1987
Strongest gust
143.3 km/h
11 July 1987
Hottest feels-like
38.8 °C
3 February 2023
Coldest feels-like
-8.2 °C
31 July 1992
Snowiest day
0.7 cm
13 June 1947
Sunniest day
14.4 h
8 December 1940
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 | 26.1 °C | +1.7 °C | 1 mm | -11 mm |
| Feb | 25.5 °C | +1.2 °C | 2 mm | -9 mm |
| Mar | 23.3 °C | +1.1 °C | 35 mm | +14 mm |
| Apr | 17.6 °C | -0.7 °C | 71 mm | +9 mm |
| May | 14.3 °C | -0.2 °C | 111 mm | -65 mm |
| Jun | 11.9 °C | -0.4 °C | 148 mm | -72 mm |
| Jul | 13.4 °C | +1.5 °C | 190 mm | +1 mm |
| Aug | 14.1 °C | +1.2 °C | 83 mm | -59 mm |
| Sep | 15.0 °C | +0.3 °C | 86 mm | +2 mm |
| Oct | 19.0 °C | +2.0 °C | 30 mm | -24 mm |
| Nov | 21.8 °C | +1.9 °C | 10 mm | -17 mm |
| Dec | 25.0 °C | +2.3 °C | 9 mm | -9 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 Chiguayante?
Chiguayante has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 12.6 °C and it receives 1,016 mm of precipitation per year.
What is the hottest day ever recorded in Chiguayante?
The hottest day measured in Chiguayante between 1940 and 2025 was 3 February 2023, reaching 38.4 °C.
What is the coldest day in Chiguayante?
The coldest day measured in Chiguayante between 1940 and 2025 was 9 July 2007, at -4.6 °C.
Does it snow in Chiguayante?
Almost never: Chiguayante sees virtually no snow, with about 8 frost days per year.
Has the climate of Chiguayante warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Chiguayante.
What is the wettest day in Chiguayante?
The wettest day measured in Chiguayante between 1940 and 2025 was 2 May 1984, with 117 mm of rain in 24 hours.
What was the windiest day in Chiguayante?
The windiest day measured in Chiguayante between 1940 and 2025 was 11 July 1987, with winds reaching 50.3 km/h.
What is the warmest month in Chiguayante?
The warmest month in Chiguayante is January (18.0 °C on average); the coldest is July (8.0 °C).
How much does it rain in Chiguayante?
Chiguayante receives on average 1,016 mm of precipitation per year, spread over about 85 rainy days.
Is it sunny in Chiguayante?
Chiguayante gets on average 10.3 hours of sunshine per day, roughly 3,760 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chiguayante?
The heaviest 24-hour snowfall measured in Chiguayante between 1940 and 2025 was 13 June 1947, with 0.7 cm.
Are there tropical nights in Chiguayante?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chiguayante.
What was the most extreme apparent temperature in Chiguayante?
In Chiguayante, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 3 February 2023, and the lowest was -8.2 °C on 31 July 1992.
Compare Chiguayante with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chiguayante