Mendefera climate — normals and trends
Mendefera (Eritrea) has a subtropical highland, dry winter climate (Cwb) under the Köppen-Geiger classification. Its mean annual temperature is 18.9 °C and it receives 742 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 April (21.3 °C on average) and the coldest is December (17.3 °C). Rainfall peaks in August.
Mendefera averages 0 frost days, 36 hot days (≥ 30 °C) and 115 rainy days per year.
Mendefera 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 34.2 °C (on 13 April 2024) and the coldest 2.2 °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
MendeferaDebub Region
- coords
- 14.89°, 38.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.9°C
Average daily high
26.0°C
Average daily low
13.2°C
Annual rainfall
742mm
Sunshine / day
10.7h
Mean relative humidity
62%
Average peak wind
13.6km/h
Seasonal range
4.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
36 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.8 °C
Average feels-like low
12.5 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
21.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.73 · 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
34.2 °C
13 April 2024
Coldest day
2.2 °C
7 February 1993
Wettest day
52 mm
28 July 1961
Windiest day
30.2 km/h
10 April 2002
Strongest gust
64.4 km/h
26 July 1966
Hottest feels-like
34.4 °C
14 May 2024
Coldest feels-like
-1.1 °C
7 February 1993
Sunniest day
12.7 h
14 May 1956
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 | +1.0 °C | 0 mm | -5 mm |
| Feb | 28.3 °C | +0.9 °C | 19 mm | +14 mm |
| Mar | 29.5 °C | +0.7 °C | 10 mm | -9 mm |
| Apr | 29.8 °C | +0.6 °C | 48 mm | +15 mm |
| May | 29.1 °C | +0.5 °C | 33 mm | -20 mm |
| Jun | 29.7 °C | +2.9 °C | 3 mm | -70 mm |
| Jul | 25.0 °C | +2.3 °C | 96 mm | -64 mm |
| Aug | 22.2 °C | +0.1 °C | 303 mm | +64 mm |
| Sep | 24.4 °C | +0.1 °C | 180 mm | +64 mm |
| Oct | 24.8 °C | -0.6 °C | 22 mm | +5 mm |
| Nov | 25.2 °C | 0.0 °C | 12 mm | -3 mm |
| Dec | 25.8 °C | +0.7 °C | 0 mm | -5 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 Mendefera?
Mendefera has a subtropical highland, dry winter climate (Köppen Cwb). Over 1940-2025, the average annual temperature is 18.9 °C and it receives 742 mm of precipitation per year.
What is the hottest day ever recorded in Mendefera?
The hottest day measured in Mendefera between 1940 and 2025 was 13 April 2024, reaching 34.2 °C.
What is the coldest day in Mendefera?
The coldest day measured in Mendefera between 1940 and 2025 was 7 February 1993, at 2.2 °C.
Does it snow in Mendefera?
Almost never: Mendefera sees virtually no snow, with about 0 frost days per year.
Has the climate of Mendefera warmed?
Yes: Mendefera warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mendefera?
The wettest day measured in Mendefera between 1940 and 2025 was 28 July 1961, with 52 mm of rain in 24 hours.
What was the windiest day in Mendefera?
The windiest day measured in Mendefera between 1940 and 2025 was 10 April 2002, with winds reaching 30.2 km/h.
What is the warmest month in Mendefera?
The warmest month in Mendefera is April (21.3 °C on average); the coldest is December (17.3 °C).
How much does it rain in Mendefera?
Mendefera receives on average 742 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Mendefera?
Mendefera gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in Mendefera?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mendefera.
What was the most extreme apparent temperature in Mendefera?
In Mendefera, between 1940 and 2025, the highest apparent temperature reached 34.4 °C on 14 May 2024, and the lowest was -1.1 °C on 7 February 1993.
Compare Mendefera with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mendefera