Illapel climate — normals and trends
Illapel (Chile) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 14.4 °C and it receives 267 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 (19.1 °C on average) and the coldest is July (9.3 °C). Rainfall peaks in June.
Illapel averages 2 frost days, 0 hot days (≥ 30 °C) and 30 rainy days per year.
The mean temperature of Illapel has changed by -0.8 °C between 1940 and 2025, or -0.09 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.1 °C (on 1 January 1973) and the coldest -5.4 °C (on 10 August 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
IllapelCoquimbo Region
- coords
- -31.63°, -71.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.4°C
Average daily high
20.1°C
Average daily low
9.6°C
Annual rainfall
267mm
Sunshine / day
11.2h
Mean relative humidity
69%
Average peak wind
10.4km/h
Seasonal range
9.8°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
30 d/yr
Annual snowfall
1.2 cm
Average feels-like high
20.0 °C
Average feels-like low
8.3 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
-0.8 °C
since 1940
-0.1 °C per decade · r² = 0.21 · 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
32.1 °C
1 January 1973
Coldest day
-5.4 °C
10 August 2007
Wettest day
111 mm
4 July 1984
Windiest day
26.6 km/h
9 September 2000
Strongest gust
115.2 km/h
4 July 1984
Hottest feels-like
33.8 °C
1 January 1973
Coldest feels-like
-9.5 °C
10 August 2007
Snowiest day
6.0 cm
14 June 1940
Sunniest day
13.8 h
30 December 2025
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 | 25.6 °C | +1.0 °C | 2 mm | +0 mm |
| Feb | 25.7 °C | +1.3 °C | 0 mm | -1 mm |
| Mar | 23.9 °C | +0.7 °C | 1 mm | -3 mm |
| Apr | 21.8 °C | +1.0 °C | 0 mm | -9 mm |
| May | 20.3 °C | +2.2 °C | 7 mm | -30 mm |
| Jun | 15.9 °C | +0.3 °C | 64 mm | -1 mm |
| Jul | 17.4 °C | +2.3 °C | 18 mm | -46 mm |
| Aug | 16.7 °C | +0.7 °C | 110 mm | +66 mm |
| Sep | 19.7 °C | +2.3 °C | 16 mm | -10 mm |
| Oct | 21.9 °C | +2.3 °C | 3 mm | -8 mm |
| Nov | 22.5 °C | +0.5 °C | 1 mm | -2 mm |
| Dec | 24.6 °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 Illapel?
Illapel has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 14.4 °C and it receives 267 mm of precipitation per year.
What is the hottest day ever recorded in Illapel?
The hottest day measured in Illapel between 1940 and 2025 was 1 January 1973, reaching 32.1 °C.
What is the coldest day in Illapel?
The coldest day measured in Illapel between 1940 and 2025 was 10 August 2007, at -5.4 °C.
Does it snow in Illapel?
Yes. Illapel gets on average 1.2 cm of snow per year and has around 2 frost days.
Has the climate of Illapel warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Illapel.
What is the wettest day in Illapel?
The wettest day measured in Illapel between 1940 and 2025 was 4 July 1984, with 111 mm of rain in 24 hours.
What was the windiest day in Illapel?
The windiest day measured in Illapel between 1940 and 2025 was 9 September 2000, with winds reaching 26.6 km/h.
What is the warmest month in Illapel?
The warmest month in Illapel is January (19.1 °C on average); the coldest is July (9.3 °C).
How much does it rain in Illapel?
Illapel receives on average 267 mm of precipitation per year, spread over about 30 rainy days.
Is it sunny in Illapel?
Illapel gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Illapel?
The heaviest 24-hour snowfall measured in Illapel between 1940 and 2025 was 14 June 1940, with 6.0 cm.
Are there tropical nights in Illapel?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Illapel.
What was the most extreme apparent temperature in Illapel?
In Illapel, between 1940 and 2025, the highest apparent temperature reached 33.8 °C on 1 January 1973, and the lowest was -9.5 °C on 10 August 2007.
Compare Illapel with another city
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Nearby cities
The climate around Illapel