La Oroya climate — normals and trends
La Oroya (Peru) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 3.9 °C and it receives 1,486 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 (4.7 °C on average) and the coldest is July (2.5 °C). Rainfall peaks in March.
La Oroya averages 202 frost days, 0 hot days (≥ 30 °C) and 256 rainy days per year.
La Oroya 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 262 to 142 per year over the period.
The hottest day of the period reached 16.9 °C (on 10 November 2000) and the coldest -11.0 °C (on 3 August 2025).
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
La OroyaJunin
- coords
- -11.52°, -75.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.9°C
Average daily high
9.7°C
Average daily low
-0.7°C
Annual rainfall
1,486mm
Sunshine / day
10.2h
Mean relative humidity
79%
Average peak wind
11.9km/h
Seasonal range
2.2°C
Frost days (< 0 °C)
202 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
256 d/yr
Annual snowfall
152.8 cm
Average feels-like high
8.1 °C
Average feels-like low
-3.7 °C
Average peak gust
32.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.63 · 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
16.9 °C
10 November 2000
Coldest day
-11.0 °C
3 August 2025
Wettest day
39 mm
15 December 2002
Windiest day
24.3 km/h
10 August 1993
Strongest gust
70.6 km/h
17 November 2020
Hottest feels-like
17.5 °C
11 November 2000
Coldest feels-like
-15.4 °C
3 August 2025
Snowiest day
16.7 cm
14 February 2018
Sunniest day
12.5 h
22 January 2005
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 | 10.9 °C | +0.9 °C | 199 mm | -10 mm |
| Feb | 10.2 °C | +0.3 °C | 283 mm | +79 mm |
| Mar | 10.0 °C | +0.2 °C | 262 mm | +49 mm |
| Apr | 10.6 °C | +0.8 °C | 153 mm | +26 mm |
| May | 9.7 °C | +0.1 °C | 84 mm | +23 mm |
| Jun | 9.9 °C | +0.8 °C | 34 mm | +5 mm |
| Jul | 9.3 °C | +0.3 °C | 23 mm | -2 mm |
| Aug | 9.6 °C | +0.4 °C | 76 mm | +28 mm |
| Sep | 9.3 °C | +0.1 °C | 93 mm | -3 mm |
| Oct | 10.4 °C | +0.5 °C | 181 mm | +39 mm |
| Nov | 11.7 °C | +1.2 °C | 160 mm | +5 mm |
| Dec | 12.4 °C | +2.0 °C | 94 mm | -82 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 La Oroya?
La Oroya has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 3.9 °C and it receives 1,486 mm of precipitation per year.
What is the hottest day ever recorded in La Oroya?
The hottest day measured in La Oroya between 1940 and 2025 was 10 November 2000, reaching 16.9 °C.
What is the coldest day in La Oroya?
The coldest day measured in La Oroya between 1940 and 2025 was 3 August 2025, at -11.0 °C.
Does it snow in La Oroya?
Yes. La Oroya gets on average 152.8 cm of snow per year and has around 202 frost days.
Has the climate of La Oroya warmed?
Yes: La Oroya warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in La Oroya?
The wettest day measured in La Oroya between 1940 and 2025 was 15 December 2002, with 39 mm of rain in 24 hours.
What was the windiest day in La Oroya?
The windiest day measured in La Oroya between 1940 and 2025 was 10 August 1993, with winds reaching 24.3 km/h.
What is the warmest month in La Oroya?
The warmest month in La Oroya is December (4.7 °C on average); the coldest is July (2.5 °C).
How much does it rain in La Oroya?
La Oroya receives on average 1,486 mm of precipitation per year, spread over about 256 rainy days.
Is it sunny in La Oroya?
La Oroya gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in La Oroya?
The heaviest 24-hour snowfall measured in La Oroya between 1940 and 2025 was 14 February 2018, with 16.7 cm.
Are there tropical nights in La Oroya?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in La Oroya.
What was the most extreme apparent temperature in La Oroya?
In La Oroya, between 1940 and 2025, the highest apparent temperature reached 17.5 °C on 11 November 2000, and the lowest was -15.4 °C on 3 August 2025.
Compare La Oroya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around La Oroya