Cerro de Pasco climate — normals and trends
Cerro de Pasco (Peru) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 4.7 °C and it receives 1,355 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 (5.6 °C on average) and the coldest is July (3.2 °C). Rainfall peaks in February.
Cerro de Pasco averages 154 frost days, 0 hot days (≥ 30 °C) and 260 rainy days per year.
Cerro de Pasco has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 211 to 97 per year over the period.
The hottest day of the period reached 18.8 °C (on 21 September 1997) and the coldest -8.2 °C (on 11 June 1951).
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
Cerro de PascoPasco
- coords
- -10.67°, -76.25°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
4.7°C
Average daily high
10.9°C
Average daily low
0.2°C
Annual rainfall
1,355mm
Sunshine / day
9.7h
Mean relative humidity
81%
Average peak wind
12.2km/h
Seasonal range
2.4°C
Frost days (< 0 °C)
154 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
260 d/yr
Annual snowfall
70.9 cm
Average feels-like high
9.2 °C
Average feels-like low
-2.6 °C
Average peak gust
33.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.65 · 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
18.8 °C
21 September 1997
Coldest day
-8.2 °C
11 June 1951
Wettest day
46 mm
16 December 1989
Windiest day
25.5 km/h
25 November 1947
Strongest gust
60.1 km/h
25 November 1947
Hottest feels-like
18.8 °C
23 December 1972
Coldest feels-like
-12.1 °C
11 June 1951
Snowiest day
23.4 cm
9 May 1942
Sunniest day
12.5 h
24 January 2016
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 | 11.8 °C | +0.4 °C | 213 mm | +22 mm |
| Feb | 11.4 °C | +0.2 °C | 264 mm | +70 mm |
| Mar | 11.1 °C | 0.0 °C | 217 mm | +31 mm |
| Apr | 11.5 °C | +0.4 °C | 139 mm | +28 mm |
| May | 11.0 °C | +0.2 °C | 71 mm | +6 mm |
| Jun | 10.9 °C | +0.7 °C | 34 mm | +0 mm |
| Jul | 10.4 °C | +0.5 °C | 16 mm | -13 mm |
| Aug | 11.5 °C | +1.3 °C | 27 mm | -16 mm |
| Sep | 10.5 °C | +0.2 °C | 53 mm | -29 mm |
| Oct | 11.6 °C | +0.6 °C | 151 mm | +29 mm |
| Nov | 12.8 °C | +1.1 °C | 172 mm | +36 mm |
| Dec | 14.0 °C | +2.3 °C | 102 mm | -60 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 Cerro de Pasco?
Cerro de Pasco has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 4.7 °C and it receives 1,355 mm of precipitation per year.
What is the hottest day ever recorded in Cerro de Pasco?
The hottest day measured in Cerro de Pasco between 1940 and 2025 was 21 September 1997, reaching 18.8 °C.
What is the coldest day in Cerro de Pasco?
The coldest day measured in Cerro de Pasco between 1940 and 2025 was 11 June 1951, at -8.2 °C.
Does it snow in Cerro de Pasco?
Yes. Cerro de Pasco gets on average 70.9 cm of snow per year and has around 154 frost days.
Has the climate of Cerro de Pasco warmed?
Yes: Cerro de Pasco warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cerro de Pasco?
The wettest day measured in Cerro de Pasco between 1940 and 2025 was 16 December 1989, with 46 mm of rain in 24 hours.
What was the windiest day in Cerro de Pasco?
The windiest day measured in Cerro de Pasco between 1940 and 2025 was 25 November 1947, with winds reaching 25.5 km/h.
What is the warmest month in Cerro de Pasco?
The warmest month in Cerro de Pasco is December (5.6 °C on average); the coldest is July (3.2 °C).
How much does it rain in Cerro de Pasco?
Cerro de Pasco receives on average 1,355 mm of precipitation per year, spread over about 260 rainy days.
Is it sunny in Cerro de Pasco?
Cerro de Pasco gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Cerro de Pasco?
The heaviest 24-hour snowfall measured in Cerro de Pasco between 1940 and 2025 was 9 May 1942, with 23.4 cm.
Are there tropical nights in Cerro de Pasco?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Cerro de Pasco.
What was the most extreme apparent temperature in Cerro de Pasco?
In Cerro de Pasco, between 1940 and 2025, the highest apparent temperature reached 18.8 °C on 23 December 1972, and the lowest was -12.1 °C on 11 June 1951.
Compare Cerro de Pasco with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cerro de Pasco