Chilca climate — normals and trends
Chilca (Peru) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 6.2 °C and it receives 1,650 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 December (7.1 °C on average) and the coldest is July (4.7 °C). Rainfall peaks in January.
Chilca averages 66 frost days, 0 hot days (≥ 30 °C) and 271 rainy days per year.
Chilca has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 91 to 41 per year over the period.
The hottest day of the period reached 17.7 °C (on 10 November 2000) and the coldest -9.8 °C (on 4 June 1941).
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
ChilcaJunin
- coords
- -12.09°, -75.21°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.2°C
Average daily high
11.5°C
Average daily low
2.0°C
Annual rainfall
1,650mm
Sunshine / day
10.3h
Mean relative humidity
78%
Average peak wind
7.0km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
66 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
271 d/yr
Annual snowfall
23.8 cm
Average feels-like high
10.6 °C
Average feels-like low
-0.3 °C
Average peak gust
25.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.58 · 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
17.7 °C
10 November 2000
Coldest day
-9.8 °C
4 June 1941
Wettest day
66 mm
30 January 2018
Windiest day
18.6 km/h
6 August 1981
Strongest gust
56.2 km/h
11 September 1940
Hottest feels-like
18.3 °C
11 November 2000
Coldest feels-like
-13.6 °C
4 June 1941
Snowiest day
30.5 cm
29 May 1941
Sunniest day
12.5 h
22 November 2023
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 | 13.1 °C | +1.2 °C | 224 mm | -26 mm |
| Feb | 12.4 °C | +0.6 °C | 313 mm | +65 mm |
| Mar | 12.1 °C | +0.5 °C | 285 mm | +51 mm |
| Apr | 12.4 °C | +0.8 °C | 154 mm | +26 mm |
| May | 11.9 °C | +0.5 °C | 90 mm | +28 mm |
| Jun | 11.8 °C | +0.9 °C | 29 mm | -0 mm |
| Jul | 11.8 °C | +1.0 °C | 22 mm | -5 mm |
| Aug | 12.1 °C | +1.0 °C | 53 mm | +3 mm |
| Sep | 11.7 °C | +0.6 °C | 102 mm | +1 mm |
| Oct | 12.7 °C | +0.9 °C | 199 mm | +49 mm |
| Nov | 14.0 °C | +1.7 °C | 158 mm | -9 mm |
| Dec | 14.2 °C | +2.0 °C | 170 mm | -32 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 Chilca?
Chilca has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 6.2 °C and it receives 1,650 mm of precipitation per year.
What is the hottest day ever recorded in Chilca?
The hottest day measured in Chilca between 1940 and 2025 was 10 November 2000, reaching 17.7 °C.
What is the coldest day in Chilca?
The coldest day measured in Chilca between 1940 and 2025 was 4 June 1941, at -9.8 °C.
Does it snow in Chilca?
Yes. Chilca gets on average 23.8 cm of snow per year and has around 66 frost days.
Has the climate of Chilca warmed?
Yes: Chilca warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chilca?
The wettest day measured in Chilca between 1940 and 2025 was 30 January 2018, with 66 mm of rain in 24 hours.
What was the windiest day in Chilca?
The windiest day measured in Chilca between 1940 and 2025 was 6 August 1981, with winds reaching 18.6 km/h.
What is the warmest month in Chilca?
The warmest month in Chilca is December (7.1 °C on average); the coldest is July (4.7 °C).
How much does it rain in Chilca?
Chilca receives on average 1,650 mm of precipitation per year, spread over about 271 rainy days.
Is it sunny in Chilca?
Chilca 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 Chilca?
The heaviest 24-hour snowfall measured in Chilca between 1940 and 2025 was 29 May 1941, with 30.5 cm.
Are there tropical nights in Chilca?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Chilca.
What was the most extreme apparent temperature in Chilca?
In Chilca, between 1940 and 2025, the highest apparent temperature reached 18.3 °C on 11 November 2000, and the lowest was -13.6 °C on 4 June 1941.
Compare Chilca with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chilca