Junín climate — normals and trends
Junín (Peru) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 3.8 °C and it receives 1,540 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 (4.6 °C on average) and the coldest is July (2.4 °C). Rainfall peaks in March.
Junín averages 196 frost days, 0 hot days (≥ 30 °C) and 276 rainy days per year.
Junín 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 258 to 134 per year over the period.
The hottest day of the period reached 16.5 °C (on 10 November 2000) and the coldest -9.2 °C (on 17 May 1996).
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
JunínJunin
- coords
- -11.16°, -75.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.8°C
Average daily high
9.5°C
Average daily low
-0.5°C
Annual rainfall
1,540mm
Sunshine / day
10.0h
Mean relative humidity
82%
Average peak wind
11.7km/h
Seasonal range
2.2°C
Frost days (< 0 °C)
196 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
276 d/yr
Annual snowfall
199.5 cm
Average feels-like high
8.0 °C
Average feels-like low
-3.4 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.64 · 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
16.5 °C
10 November 2000
Coldest day
-9.2 °C
17 May 1996
Wettest day
38 mm
12 March 2019
Windiest day
24.8 km/h
9 December 2018
Strongest gust
63.4 km/h
18 June 1941
Hottest feels-like
16.7 °C
30 December 1996
Coldest feels-like
-13.5 °C
17 May 1996
Snowiest day
19.3 cm
9 May 1942
Sunniest day
12.5 h
27 January 2020
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 | 10.7 °C | +0.9 °C | 207 mm | -6 mm |
| Feb | 10.0 °C | +0.3 °C | 283 mm | +74 mm |
| Mar | 9.8 °C | +0.3 °C | 250 mm | +36 mm |
| Apr | 10.4 °C | +0.7 °C | 153 mm | +26 mm |
| May | 9.6 °C | +0.1 °C | 90 mm | +22 mm |
| Jun | 9.7 °C | +0.7 °C | 45 mm | +7 mm |
| Jul | 9.3 °C | +0.5 °C | 28 mm | -7 mm |
| Aug | 9.6 °C | +0.7 °C | 73 mm | +15 mm |
| Sep | 9.1 °C | +0.1 °C | 100 mm | -1 mm |
| Oct | 10.3 °C | +0.6 °C | 176 mm | +34 mm |
| Nov | 11.6 °C | +1.3 °C | 160 mm | +3 mm |
| Dec | 12.5 °C | +2.3 °C | 101 mm | -79 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 Junín?
Junín has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 3.8 °C and it receives 1,540 mm of precipitation per year.
What is the hottest day ever recorded in Junín?
The hottest day measured in Junín between 1940 and 2025 was 10 November 2000, reaching 16.5 °C.
What is the coldest day in Junín?
The coldest day measured in Junín between 1940 and 2025 was 17 May 1996, at -9.2 °C.
Does it snow in Junín?
Yes. Junín gets on average 199.5 cm of snow per year and has around 196 frost days.
Has the climate of Junín warmed?
Yes: Junín warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Junín?
The wettest day measured in Junín between 1940 and 2025 was 12 March 2019, with 38 mm of rain in 24 hours.
What was the windiest day in Junín?
The windiest day measured in Junín between 1940 and 2025 was 9 December 2018, with winds reaching 24.8 km/h.
What is the warmest month in Junín?
The warmest month in Junín is December (4.6 °C on average); the coldest is July (2.4 °C).
How much does it rain in Junín?
Junín receives on average 1,540 mm of precipitation per year, spread over about 276 rainy days.
Is it sunny in Junín?
Junín gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Junín?
The heaviest 24-hour snowfall measured in Junín between 1940 and 2025 was 9 May 1942, with 19.3 cm.
Are there tropical nights in Junín?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Junín.
What was the most extreme apparent temperature in Junín?
In Junín, between 1940 and 2025, the highest apparent temperature reached 16.7 °C on 30 December 1996, and the lowest was -13.5 °C on 17 May 1996.
Compare Junín with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Junín