Aïn Sefra climate — normals and trends
Aïn Sefra (Algeria) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 16.8 °C and it receives 152 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 (29.3 °C on average) and the coldest is January (5.9 °C). Rainfall peaks in October.
Aïn Sefra averages 29 frost days, 102 hot days (≥ 30 °C) and 35 rainy days per year.
Aïn Sefra has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 44 to 14 per year over the period.
The hottest day of the period reached 41.9 °C (on 30 July 2023) and the coldest -11.8 °C (on 15 January 1980).
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
Aïn SefraNaama Province
- coords
- 32.75°, -0.58°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.8°C
Average daily high
22.5°C
Average daily low
10.7°C
Annual rainfall
152mm
Sunshine / day
11.2h
Mean relative humidity
45%
Average peak wind
16.1km/h
Seasonal range
23.4°C
Frost days (< 0 °C)
29 d/yr
Hot days (≥ 30 °C)
102 d/yr
Rainy days (≥ 1 mm)
35 d/yr
Annual snowfall
6.6 cm
Average feels-like high
19.8 °C
Average feels-like low
8.1 °C
Average peak gust
39.2 km/h
Tropical nights (≥ 20 °C)
64 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.66 · 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
41.9 °C
30 July 2023
Coldest day
-11.8 °C
15 January 1980
Wettest day
58 mm
9 October 1966
Windiest day
46.6 km/h
12 February 1987
Strongest gust
107.6 km/h
12 February 1987
Hottest feels-like
40.8 °C
12 July 2024
Coldest feels-like
-16.1 °C
15 January 1980
Snowiest day
15.8 cm
3 February 1991
Sunniest day
14.0 h
27 May 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 | 13.2 °C | +1.8 °C | 10 mm | -3 mm |
| Feb | 14.5 °C | +0.9 °C | 12 mm | +1 mm |
| Mar | 17.9 °C | +0.8 °C | 21 mm | +3 mm |
| Apr | 23.2 °C | +2.4 °C | 12 mm | -5 mm |
| May | 27.6 °C | +1.7 °C | 4 mm | -8 mm |
| Jun | 34.3 °C | +2.7 °C | 1 mm | -6 mm |
| Jul | 36.9 °C | +1.5 °C | 5 mm | +2 mm |
| Aug | 35.6 °C | +1.2 °C | 4 mm | -2 mm |
| Sep | 30.1 °C | +0.9 °C | 32 mm | +17 mm |
| Oct | 26.1 °C | +3.6 °C | 11 mm | -8 mm |
| Nov | 19.1 °C | +2.9 °C | 0 mm | -18 mm |
| Dec | 11.5 °C | -0.4 °C | 71 mm | +57 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 Aïn Sefra?
Aïn Sefra has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 16.8 °C and it receives 152 mm of precipitation per year.
What is the hottest day ever recorded in Aïn Sefra?
The hottest day measured in Aïn Sefra between 1940 and 2025 was 30 July 2023, reaching 41.9 °C.
What is the coldest day in Aïn Sefra?
The coldest day measured in Aïn Sefra between 1940 and 2025 was 15 January 1980, at -11.8 °C.
Does it snow in Aïn Sefra?
Yes. Aïn Sefra gets on average 6.6 cm of snow per year and has around 29 frost days.
Has the climate of Aïn Sefra warmed?
Yes: Aïn Sefra warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aïn Sefra?
The wettest day measured in Aïn Sefra between 1940 and 2025 was 9 October 1966, with 58 mm of rain in 24 hours.
What was the windiest day in Aïn Sefra?
The windiest day measured in Aïn Sefra between 1940 and 2025 was 12 February 1987, with winds reaching 46.6 km/h.
What is the warmest month in Aïn Sefra?
The warmest month in Aïn Sefra is July (29.3 °C on average); the coldest is January (5.9 °C).
How much does it rain in Aïn Sefra?
Aïn Sefra receives on average 152 mm of precipitation per year, spread over about 35 rainy days.
Is it sunny in Aïn Sefra?
Aïn Sefra gets on average 11.2 hours of sunshine per day, roughly 4,088 hours per year over 1940-2025.
What is the biggest single-day snowfall in Aïn Sefra?
The heaviest 24-hour snowfall measured in Aïn Sefra between 1940 and 2025 was 3 February 1991, with 15.8 cm.
Are there tropical nights in Aïn Sefra?
Yes: Aïn Sefra has on average 64 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aïn Sefra?
In Aïn Sefra, between 1940 and 2025, the highest apparent temperature reached 40.8 °C on 12 July 2024, and the lowest was -16.1 °C on 15 January 1980.
Compare Aïn Sefra with another city
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Nearby cities
The climate around Aïn Sefra