Paiján climate — normals and trends
Paiján (Peru) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 20.4 °C and it receives 206 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 February (23.7 °C on average) and the coldest is August (17.9 °C). Rainfall peaks in March.
Paiján averages 0 frost days, 5 hot days (≥ 30 °C) and 40 rainy days per year.
Paiján has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.4 °C (on 28 February 1983) and the coldest 11.8 °C (on 6 August 2020).
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
PaijánLa Libertad
- coords
- -7.73°, -79.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.4°C
Average daily high
24.5°C
Average daily low
17.8°C
Annual rainfall
206mm
Sunshine / day
11.0h
Mean relative humidity
80%
Average peak wind
14.8km/h
Seasonal range
5.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
40 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.5 °C
Average feels-like low
19.2 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
76 d/yr
Solar radiation
21.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.7 °C
since 1940
+0.1 °C per decade · r² = 0.06 · p = 0.027
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
33.4 °C
28 February 1983
Coldest day
11.8 °C
6 August 2020
Wettest day
108 mm
22 May 1941
Windiest day
24.9 km/h
15 April 1962
Strongest gust
51.8 km/h
15 April 1962
Hottest feels-like
38.6 °C
28 February 1983
Coldest feels-like
11.0 °C
6 August 2020
Sunniest day
12.5 h
24 December 1940
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 | 26.0 °C | -0.8 °C | 21 mm | -4 mm |
| Feb | 28.0 °C | +0.2 °C | 44 mm | +3 mm |
| Mar | 28.5 °C | +0.8 °C | 45 mm | -10 mm |
| Apr | 26.5 °C | +0.1 °C | 20 mm | -6 mm |
| May | 24.8 °C | +0.1 °C | 9 mm | -5 mm |
| Jun | 23.3 °C | +0.4 °C | 6 mm | -2 mm |
| Jul | 22.7 °C | +0.8 °C | 4 mm | -3 mm |
| Aug | 22.3 °C | +0.7 °C | 6 mm | +1 mm |
| Sep | 22.0 °C | 0.0 °C | 4 mm | -0 mm |
| Oct | 22.6 °C | 0.0 °C | 13 mm | +7 mm |
| Nov | 23.5 °C | -0.2 °C | 16 mm | +11 mm |
| Dec | 24.5 °C | -0.8 °C | 0 mm | -11 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 Paiján?
Paiján has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 20.4 °C and it receives 206 mm of precipitation per year.
What is the hottest day ever recorded in Paiján?
The hottest day measured in Paiján between 1940 and 2025 was 28 February 1983, reaching 33.4 °C.
What is the coldest day in Paiján?
The coldest day measured in Paiján between 1940 and 2025 was 6 August 2020, at 11.8 °C.
Does it snow in Paiján?
Almost never: Paiján sees virtually no snow, with about 0 frost days per year.
Has the climate of Paiján warmed?
Yes: Paiján warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Paiján?
The wettest day measured in Paiján between 1940 and 2025 was 22 May 1941, with 108 mm of rain in 24 hours.
What was the windiest day in Paiján?
The windiest day measured in Paiján between 1940 and 2025 was 15 April 1962, with winds reaching 24.9 km/h.
What is the warmest month in Paiján?
The warmest month in Paiján is February (23.7 °C on average); the coldest is August (17.9 °C).
How much does it rain in Paiján?
Paiján receives on average 206 mm of precipitation per year, spread over about 40 rainy days.
Is it sunny in Paiján?
Paiján gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
Are there tropical nights in Paiján?
Yes: Paiján has on average 76 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Paiján?
In Paiján, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 28 February 1983, and the lowest was 11.0 °C on 6 August 2020.
Compare Paiján with another city
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Nearby cities
The climate around Paiján