Jaén climate — normals and trends
Jaén (Peru) has a tropical savanna climate (Aw) under the Köppen-Geiger classification. Its mean annual temperature is 23.5 °C and it receives 695 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 November (25.2 °C on average) and the coldest is July (21.3 °C). Rainfall peaks in April.
Jaén averages 0 frost days, 104 hot days (≥ 30 °C) and 160 rainy days per year.
Jaén has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.5 °C (on 16 January 2005) and the coldest 10.7 °C (on 30 November 1942).
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
JaénCajamarca Department
- coords
- -5.71°, -78.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.5°C
Average daily high
28.4°C
Average daily low
19.5°C
Annual rainfall
695mm
Sunshine / day
10.2h
Mean relative humidity
69%
Average peak wind
5.7km/h
Seasonal range
3.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
104 d/yr
Rainy days (≥ 1 mm)
160 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.1 °C
Average feels-like low
21.4 °C
Average peak gust
23.8 km/h
Tropical nights (≥ 20 °C)
142 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.26 · 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
38.5 °C
16 January 2005
Coldest day
10.7 °C
30 November 1942
Wettest day
55 mm
27 December 2023
Windiest day
16.4 km/h
25 December 1968
Strongest gust
51.1 km/h
30 December 1977
Hottest feels-like
40.8 °C
21 March 1992
Coldest feels-like
9.0 °C
30 November 1942
Sunniest day
12.3 h
8 January 2022
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 | 30.3 °C | +0.5 °C | 78 mm | +29 mm |
| Feb | 29.7 °C | +0.3 °C | 105 mm | +44 mm |
| Mar | 28.4 °C | -0.5 °C | 167 mm | +83 mm |
| Apr | 28.6 °C | +0.4 °C | 142 mm | +52 mm |
| May | 27.6 °C | +0.3 °C | 155 mm | +71 mm |
| Jun | 26.2 °C | +0.1 °C | 99 mm | +28 mm |
| Jul | 25.7 °C | +0.2 °C | 110 mm | +47 mm |
| Aug | 26.5 °C | -0.1 °C | 73 mm | +25 mm |
| Sep | 27.3 °C | -0.8 °C | 81 mm | +43 mm |
| Oct | 29.0 °C | -0.7 °C | 56 mm | +21 mm |
| Nov | 30.9 °C | 0.0 °C | 49 mm | +19 mm |
| Dec | 33.2 °C | +2.8 °C | 17 mm | -22 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 Jaén?
Jaén has a tropical savanna climate (Köppen Aw). Over 1940-2025, the average annual temperature is 23.5 °C and it receives 695 mm of precipitation per year.
What is the hottest day ever recorded in Jaén?
The hottest day measured in Jaén between 1940 and 2025 was 16 January 2005, reaching 38.5 °C.
What is the coldest day in Jaén?
The coldest day measured in Jaén between 1940 and 2025 was 30 November 1942, at 10.7 °C.
Does it snow in Jaén?
Almost never: Jaén sees virtually no snow, with about 0 frost days per year.
Has the climate of Jaén warmed?
Yes: Jaén warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jaén?
The wettest day measured in Jaén between 1940 and 2025 was 27 December 2023, with 55 mm of rain in 24 hours.
What was the windiest day in Jaén?
The windiest day measured in Jaén between 1940 and 2025 was 25 December 1968, with winds reaching 16.4 km/h.
What is the warmest month in Jaén?
The warmest month in Jaén is November (25.2 °C on average); the coldest is July (21.3 °C).
How much does it rain in Jaén?
Jaén receives on average 695 mm of precipitation per year, spread over about 160 rainy days.
Is it sunny in Jaén?
Jaén gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Jaén?
Yes: Jaén has on average 142 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jaén?
In Jaén, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 21 March 1992, and the lowest was 9.0 °C on 30 November 1942.
Compare Jaén with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jaén