Irgalem climate — normals and trends
Irgalem (Ethiopia) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 1,638 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 March (17.5 °C on average) and the coldest is July (14.3 °C). Rainfall peaks in September.
Irgalem averages 0 frost days, 0 hot days (≥ 30 °C) and 215 rainy days per year.
Irgalem has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.5 °C (on 15 March 2007) and the coldest 3.9 °C (on 31 December 2011).
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
IrgalemSidama Region
- coords
- 6.75°, 38.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
21.4°C
Average daily low
10.9°C
Annual rainfall
1,638mm
Sunshine / day
10.2h
Mean relative humidity
74%
Average peak wind
8.3km/h
Seasonal range
3.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
215 d/yr
Annual snowfall
0.0 cm
Average feels-like high
22.3 °C
Average feels-like low
10.0 °C
Average peak gust
26.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
19.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.89 · 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
30.5 °C
15 March 2007
Coldest day
3.9 °C
31 December 2011
Wettest day
124 mm
28 October 1997
Windiest day
19.1 km/h
13 August 1943
Strongest gust
52.6 km/h
13 August 1943
Hottest feels-like
31.4 °C
29 March 2016
Coldest feels-like
0.4 °C
31 December 2011
Sunniest day
12.0 h
22 April 1946
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 | 24.9 °C | +1.5 °C | 6 mm | -18 mm |
| Feb | 27.1 °C | +2.7 °C | 1 mm | -38 mm |
| Mar | 25.3 °C | +1.1 °C | 237 mm | +127 mm |
| Apr | 23.8 °C | +1.2 °C | 164 mm | -54 mm |
| May | 22.4 °C | +1.2 °C | 221 mm | -6 mm |
| Jun | 21.5 °C | +2.0 °C | 96 mm | -48 mm |
| Jul | 19.4 °C | +1.1 °C | 152 mm | +4 mm |
| Aug | 19.3 °C | +0.6 °C | 168 mm | -6 mm |
| Sep | 20.8 °C | +1.0 °C | 270 mm | +31 mm |
| Oct | 20.9 °C | +0.2 °C | 314 mm | +101 mm |
| Nov | 22.6 °C | +1.0 °C | 13 mm | -63 mm |
| Dec | 23.9 °C | +1.5 °C | 12 mm | -15 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 Irgalem?
Irgalem has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 1,638 mm of precipitation per year.
What is the hottest day ever recorded in Irgalem?
The hottest day measured in Irgalem between 1940 and 2025 was 15 March 2007, reaching 30.5 °C.
What is the coldest day in Irgalem?
The coldest day measured in Irgalem between 1940 and 2025 was 31 December 2011, at 3.9 °C.
Does it snow in Irgalem?
Almost never: Irgalem sees virtually no snow, with about 0 frost days per year.
Has the climate of Irgalem warmed?
Yes: Irgalem warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Irgalem?
The wettest day measured in Irgalem between 1940 and 2025 was 28 October 1997, with 124 mm of rain in 24 hours.
What was the windiest day in Irgalem?
The windiest day measured in Irgalem between 1940 and 2025 was 13 August 1943, with winds reaching 19.1 km/h.
What is the warmest month in Irgalem?
The warmest month in Irgalem is March (17.5 °C on average); the coldest is July (14.3 °C).
How much does it rain in Irgalem?
Irgalem receives on average 1,638 mm of precipitation per year, spread over about 215 rainy days.
Is it sunny in Irgalem?
Irgalem gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Irgalem?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Irgalem.
What was the most extreme apparent temperature in Irgalem?
In Irgalem, between 1940 and 2025, the highest apparent temperature reached 31.4 °C on 29 March 2016, and the lowest was 0.4 °C on 31 December 2011.
Compare Irgalem with another city
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Nearby cities
The climate around Irgalem