Asmara climate — normals and trends
Asmara (Eritrea) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.6 °C and it receives 894 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 June (21.3 °C on average) and the coldest is January (15.8 °C). Rainfall peaks in August.
Asmara averages 0 frost days, 5 hot days (≥ 30 °C) and 173 rainy days per year.
Asmara has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.4 °C (on 9 June 2025) and the coldest 2.4 °C (on 7 February 1993).
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
AsmaraMaekel Region
- coords
- 15.34°, 38.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.6°C
Average daily high
24.4°C
Average daily low
13.9°C
Annual rainfall
894mm
Sunshine / day
10.9h
Mean relative humidity
68%
Average peak wind
11.3km/h
Seasonal range
5.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
173 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.0 °C
Average feels-like low
13.6 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.81 · 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
32.4 °C
9 June 2025
Coldest day
2.4 °C
7 February 1993
Wettest day
118 mm
18 August 1978
Windiest day
29.6 km/h
7 June 1965
Strongest gust
67.0 km/h
27 July 1966
Hottest feels-like
32.1 °C
5 June 1949
Coldest feels-like
0.3 °C
7 February 1993
Sunniest day
12.6 h
17 May 1956
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 | 22.5 °C | +0.7 °C | 42 mm | -12 mm |
| Feb | 23.3 °C | +0.5 °C | 30 mm | -16 mm |
| Mar | 25.3 °C | +1.1 °C | 61 mm | +3 mm |
| Apr | 26.4 °C | +1.3 °C | 63 mm | -7 mm |
| May | 28.0 °C | +1.7 °C | 35 mm | -25 mm |
| Jun | 30.0 °C | +2.3 °C | 5 mm | -46 mm |
| Jul | 26.7 °C | +1.6 °C | 165 mm | -12 mm |
| Aug | 25.0 °C | -0.2 °C | 281 mm | +78 mm |
| Sep | 27.2 °C | +0.9 °C | 101 mm | +50 mm |
| Oct | 24.9 °C | +0.7 °C | 37 mm | +1 mm |
| Nov | 23.6 °C | +0.8 °C | 17 mm | -26 mm |
| Dec | 23.0 °C | +1.2 °C | 30 mm | -16 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 Asmara?
Asmara has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.6 °C and it receives 894 mm of precipitation per year.
What is the hottest day ever recorded in Asmara?
The hottest day measured in Asmara between 1940 and 2025 was 9 June 2025, reaching 32.4 °C.
What is the coldest day in Asmara?
The coldest day measured in Asmara between 1940 and 2025 was 7 February 1993, at 2.4 °C.
Does it snow in Asmara?
Almost never: Asmara sees virtually no snow, with about 0 frost days per year.
Has the climate of Asmara warmed?
Yes: Asmara warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Asmara?
The wettest day measured in Asmara between 1940 and 2025 was 18 August 1978, with 118 mm of rain in 24 hours.
What was the windiest day in Asmara?
The windiest day measured in Asmara between 1940 and 2025 was 7 June 1965, with winds reaching 29.6 km/h.
What is the warmest month in Asmara?
The warmest month in Asmara is June (21.3 °C on average); the coldest is January (15.8 °C).
How much does it rain in Asmara?
Asmara receives on average 894 mm of precipitation per year, spread over about 173 rainy days.
Is it sunny in Asmara?
Asmara gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
Are there tropical nights in Asmara?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Asmara.
What was the most extreme apparent temperature in Asmara?
In Asmara, between 1940 and 2025, the highest apparent temperature reached 32.1 °C on 5 June 1949, and the lowest was 0.3 °C on 7 February 1993.
Compare Asmara with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Asmara