Keren climate — normals and trends
Keren (Eritrea) has a hot semi-arid climate (BSh) under the Köppen-Geiger classification. Its mean annual temperature is 20.9 °C and it receives 562 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 May (24.0 °C on average) and the coldest is December (19.1 °C). Rainfall peaks in August.
Keren averages 0 frost days, 76 hot days (≥ 30 °C) and 99 rainy days per year.
Keren has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.4 °C (on 7 June 2024) and the coldest 5.2 °C (on 25 December 1971).
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
KerenAnseba Region
- coords
- 15.78°, 38.45°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
20.9°C
Average daily high
27.4°C
Average daily low
15.6°C
Annual rainfall
562mm
Sunshine / day
10.9h
Mean relative humidity
62%
Average peak wind
11.9km/h
Seasonal range
4.9°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
76 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.1 °C
Average feels-like low
15.4 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
21.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.70 · 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
36.4 °C
7 June 2024
Coldest day
5.2 °C
25 December 1971
Wettest day
84 mm
18 July 1942
Windiest day
28.2 km/h
10 April 2002
Strongest gust
74.2 km/h
10 April 2002
Hottest feels-like
37.7 °C
13 April 2024
Coldest feels-like
2.4 °C
7 February 1993
Sunniest day
12.8 h
20 May 1940
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 | 26.9 °C | +0.6 °C | 0 mm | -1 mm |
| Feb | 28.4 °C | +0.7 °C | 1 mm | -1 mm |
| Mar | 30.6 °C | +1.1 °C | 5 mm | -0 mm |
| Apr | 31.7 °C | +1.1 °C | 17 mm | +3 mm |
| May | 32.3 °C | +1.2 °C | 16 mm | -16 mm |
| Jun | 32.3 °C | +3.5 °C | 1 mm | -59 mm |
| Jul | 27.7 °C | +3.0 °C | 38 mm | -74 mm |
| Aug | 24.8 °C | +0.9 °C | 248 mm | +61 mm |
| Sep | 26.2 °C | 0.0 °C | 137 mm | +5 mm |
| Oct | 27.7 °C | +0.3 °C | 3 mm | -8 mm |
| Nov | 27.4 °C | +0.7 °C | 1 mm | -5 mm |
| Dec | 27.2 °C | +1.2 °C | 0 mm | -1 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 Keren?
Keren has a hot semi-arid climate (Köppen BSh). Over 1940-2025, the average annual temperature is 20.9 °C and it receives 562 mm of precipitation per year.
What is the hottest day ever recorded in Keren?
The hottest day measured in Keren between 1940 and 2025 was 7 June 2024, reaching 36.4 °C.
What is the coldest day in Keren?
The coldest day measured in Keren between 1940 and 2025 was 25 December 1971, at 5.2 °C.
Does it snow in Keren?
Almost never: Keren sees virtually no snow, with about 0 frost days per year.
Has the climate of Keren warmed?
Yes: Keren warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Keren?
The wettest day measured in Keren between 1940 and 2025 was 18 July 1942, with 84 mm of rain in 24 hours.
What was the windiest day in Keren?
The windiest day measured in Keren between 1940 and 2025 was 10 April 2002, with winds reaching 28.2 km/h.
What is the warmest month in Keren?
The warmest month in Keren is May (24.0 °C on average); the coldest is December (19.1 °C).
How much does it rain in Keren?
Keren receives on average 562 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Keren?
Keren gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Keren?
Yes: Keren has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Keren?
In Keren, between 1940 and 2025, the highest apparent temperature reached 37.7 °C on 13 April 2024, and the lowest was 2.4 °C on 7 February 1993.
Compare Keren with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Keren