‘Alemaya climate — normals and trends
‘Alemaya (Ethiopia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 18.8 °C and it receives 971 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 (20.3 °C on average) and the coldest is December (16.7 °C). Rainfall peaks in April.
‘Alemaya averages 0 frost days, 1 hot days (≥ 30 °C) and 134 rainy days per year.
‘Alemaya 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 31.8 °C (on 14 March 2016) and the coldest 3.3 °C (on 20 January 1987).
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
‘AlemayaOromiya
- coords
- 9.39°, 42.01°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.8°C
Average daily high
24.4°C
Average daily low
14.1°C
Annual rainfall
971mm
Sunshine / day
10.7h
Mean relative humidity
63%
Average peak wind
13.7km/h
Seasonal range
3.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
0.0 cm
Average feels-like high
24.9 °C
Average feels-like low
13.0 °C
Average peak gust
33.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
20.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.75 · 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
31.8 °C
14 March 2016
Coldest day
3.3 °C
20 January 1987
Wettest day
120 mm
25 October 2001
Windiest day
31.7 km/h
16 July 1978
Strongest gust
67.0 km/h
6 August 1948
Hottest feels-like
33.0 °C
13 March 2020
Coldest feels-like
0.0 °C
20 January 1987
Sunniest day
12.0 h
29 April 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 | 24.6 °C | +1.5 °C | 0 mm | -20 mm |
| Feb | 27.1 °C | +2.7 °C | 0 mm | -37 mm |
| Mar | 26.8 °C | +1.5 °C | 89 mm | -2 mm |
| Apr | 28.0 °C | +3.0 °C | 23 mm | -130 mm |
| May | 28.3 °C | +2.6 °C | 48 mm | -52 mm |
| Jun | 28.7 °C | +2.8 °C | 6 mm | -35 mm |
| Jul | 26.5 °C | +2.1 °C | 40 mm | -75 mm |
| Aug | 24.1 °C | 0.0 °C | 155 mm | +10 mm |
| Sep | 25.0 °C | +0.6 °C | 101 mm | -40 mm |
| Oct | 25.5 °C | +1.1 °C | 26 mm | -51 mm |
| Nov | 24.9 °C | +1.5 °C | 0 mm | -35 mm |
| Dec | 24.5 °C | +1.8 °C | 19 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 ‘Alemaya?
‘Alemaya has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 18.8 °C and it receives 971 mm of precipitation per year.
What is the hottest day ever recorded in ‘Alemaya?
The hottest day measured in ‘Alemaya between 1940 and 2025 was 14 March 2016, reaching 31.8 °C.
What is the coldest day in ‘Alemaya?
The coldest day measured in ‘Alemaya between 1940 and 2025 was 20 January 1987, at 3.3 °C.
Does it snow in ‘Alemaya?
Almost never: ‘Alemaya sees virtually no snow, with about 0 frost days per year.
Has the climate of ‘Alemaya warmed?
Yes: ‘Alemaya warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in ‘Alemaya?
The wettest day measured in ‘Alemaya between 1940 and 2025 was 25 October 2001, with 120 mm of rain in 24 hours.
What was the windiest day in ‘Alemaya?
The windiest day measured in ‘Alemaya between 1940 and 2025 was 16 July 1978, with winds reaching 31.7 km/h.
What is the warmest month in ‘Alemaya?
The warmest month in ‘Alemaya is May (20.3 °C on average); the coldest is December (16.7 °C).
How much does it rain in ‘Alemaya?
‘Alemaya receives on average 971 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in ‘Alemaya?
‘Alemaya gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
Are there tropical nights in ‘Alemaya?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in ‘Alemaya.
What was the most extreme apparent temperature in ‘Alemaya?
In ‘Alemaya, between 1940 and 2025, the highest apparent temperature reached 33.0 °C on 13 March 2020, and the lowest was 0.0 °C on 20 January 1987.
Compare ‘Alemaya with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around ‘Alemaya