El Achir climate — normals and trends
El Achir (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 370 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 July (26.4 °C on average) and the coldest is January (5.4 °C). Rainfall peaks in April.
El Achir averages 19 frost days, 79 hot days (≥ 30 °C) and 77 rainy days per year.
El Achir has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 33 to 5 per year over the period.
The hottest day of the period reached 41.7 °C (on 28 June 2024) and the coldest -11.6 °C (on 30 December 1940).
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
El AchirBordj Bou Arréridj
- coords
- 36.06°, 4.63°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
20.6°C
Average daily low
9.8°C
Annual rainfall
370mm
Sunshine / day
10.6h
Mean relative humidity
62%
Average peak wind
13.3km/h
Seasonal range
21.0°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
79 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
14.4 cm
Average feels-like high
18.9 °C
Average feels-like low
8.1 °C
Average peak gust
37.6 km/h
Tropical nights (≥ 20 °C)
35 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
41.7 °C
28 June 2024
Coldest day
-11.6 °C
30 December 1940
Wettest day
50 mm
10 May 1982
Windiest day
38.6 km/h
19 March 1967
Strongest gust
105.8 km/h
20 March 1974
Hottest feels-like
41.4 °C
18 July 2024
Coldest feels-like
-15.4 °C
30 December 1940
Snowiest day
20.9 cm
19 January 1972
Sunniest day
14.0 h
25 June 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 | 11.9 °C | +2.1 °C | 38 mm | +4 mm |
| Feb | 13.9 °C | +2.4 °C | 18 mm | -14 mm |
| Mar | 16.8 °C | +2.1 °C | 24 mm | -18 mm |
| Apr | 20.5 °C | +2.2 °C | 58 mm | +14 mm |
| May | 24.8 °C | +1.3 °C | 69 mm | +30 mm |
| Jun | 33.6 °C | +4.1 °C | 6 mm | -16 mm |
| Jul | 35.0 °C | +1.3 °C | 9 mm | +1 mm |
| Aug | 34.0 °C | +1.1 °C | 7 mm | -7 mm |
| Sep | 29.2 °C | +1.8 °C | 47 mm | +13 mm |
| Oct | 22.8 °C | +1.7 °C | 18 mm | -15 mm |
| Nov | 15.4 °C | +0.7 °C | 20 mm | -12 mm |
| Dec | 11.9 °C | +1.3 °C | 45 mm | +10 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 El Achir?
El Achir has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 370 mm of precipitation per year.
What is the hottest day ever recorded in El Achir?
The hottest day measured in El Achir between 1940 and 2025 was 28 June 2024, reaching 41.7 °C.
What is the coldest day in El Achir?
The coldest day measured in El Achir between 1940 and 2025 was 30 December 1940, at -11.6 °C.
Does it snow in El Achir?
Yes. El Achir gets on average 14.4 cm of snow per year and has around 19 frost days.
Has the climate of El Achir warmed?
Yes: El Achir warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in El Achir?
The wettest day measured in El Achir between 1940 and 2025 was 10 May 1982, with 50 mm of rain in 24 hours.
What was the windiest day in El Achir?
The windiest day measured in El Achir between 1940 and 2025 was 19 March 1967, with winds reaching 38.6 km/h.
What is the warmest month in El Achir?
The warmest month in El Achir is July (26.4 °C on average); the coldest is January (5.4 °C).
How much does it rain in El Achir?
El Achir receives on average 370 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in El Achir?
El Achir gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in El Achir?
The heaviest 24-hour snowfall measured in El Achir between 1940 and 2025 was 19 January 1972, with 20.9 cm.
Are there tropical nights in El Achir?
Yes: El Achir has on average 35 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in El Achir?
In El Achir, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 18 July 2024, and the lowest was -15.4 °C on 30 December 1940.
Compare El Achir with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around El Achir