Salah Bey climate — normals and trends
Salah Bey (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 327 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 (26.8 °C on average) and the coldest is January (5.3 °C). Rainfall peaks in April.
Salah Bey averages 20 frost days, 77 hot days (≥ 30 °C) and 69 rainy days per year.
Salah Bey 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 35 to 5 per year over the period.
The hottest day of the period reached 41.5 °C (on 29 July 2023) and the coldest -9.2 °C (on 7 January 1954).
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
Salah BeySétif Province
- coords
- 35.85°, 5.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
20.6°C
Average daily low
10.2°C
Annual rainfall
327mm
Sunshine / day
10.8h
Mean relative humidity
59%
Average peak wind
14.8km/h
Seasonal range
21.5°C
Frost days (< 0 °C)
20 d/yr
Hot days (≥ 30 °C)
77 d/yr
Rainy days (≥ 1 mm)
69 d/yr
Annual snowfall
12.6 cm
Average feels-like high
18.7 °C
Average feels-like low
8.2 °C
Average peak gust
38.0 km/h
Tropical nights (≥ 20 °C)
44 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.70 · 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
41.5 °C
29 July 2023
Coldest day
-9.2 °C
7 January 1954
Wettest day
56 mm
3 October 1951
Windiest day
43.6 km/h
7 November 1962
Strongest gust
100.8 km/h
20 March 1974
Hottest feels-like
42.5 °C
30 July 2023
Coldest feels-like
-13.4 °C
7 January 1954
Snowiest day
14.6 cm
15 January 1985
Sunniest day
13.9 h
29 June 2025
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 | 32 mm | +3 mm |
| Feb | 13.8 °C | +2.3 °C | 16 mm | -11 mm |
| Mar | 17.1 °C | +2.2 °C | 20 mm | -15 mm |
| Apr | 20.5 °C | +2.0 °C | 57 mm | +19 mm |
| May | 25.2 °C | +1.5 °C | 50 mm | +15 mm |
| Jun | 33.3 °C | +3.7 °C | 6 mm | -13 mm |
| Jul | 34.7 °C | +1.4 °C | 10 mm | +2 mm |
| Aug | 33.7 °C | +1.2 °C | 9 mm | -5 mm |
| Sep | 28.8 °C | +1.7 °C | 55 mm | +23 mm |
| Oct | 22.4 °C | +1.5 °C | 18 mm | -13 mm |
| Nov | 15.3 °C | +0.6 °C | 10 mm | -19 mm |
| Dec | 11.7 °C | +1.1 °C | 52 mm | +22 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 Salah Bey?
Salah Bey has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 327 mm of precipitation per year.
What is the hottest day ever recorded in Salah Bey?
The hottest day measured in Salah Bey between 1940 and 2025 was 29 July 2023, reaching 41.5 °C.
What is the coldest day in Salah Bey?
The coldest day measured in Salah Bey between 1940 and 2025 was 7 January 1954, at -9.2 °C.
Does it snow in Salah Bey?
Yes. Salah Bey gets on average 12.6 cm of snow per year and has around 20 frost days.
Has the climate of Salah Bey warmed?
Yes: Salah Bey warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Salah Bey?
The wettest day measured in Salah Bey between 1940 and 2025 was 3 October 1951, with 56 mm of rain in 24 hours.
What was the windiest day in Salah Bey?
The windiest day measured in Salah Bey between 1940 and 2025 was 7 November 1962, with winds reaching 43.6 km/h.
What is the warmest month in Salah Bey?
The warmest month in Salah Bey is July (26.8 °C on average); the coldest is January (5.3 °C).
How much does it rain in Salah Bey?
Salah Bey receives on average 327 mm of precipitation per year, spread over about 69 rainy days.
Is it sunny in Salah Bey?
Salah Bey gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Salah Bey?
The heaviest 24-hour snowfall measured in Salah Bey between 1940 and 2025 was 15 January 1985, with 14.6 cm.
Are there tropical nights in Salah Bey?
Yes: Salah Bey has on average 44 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Salah Bey?
In Salah Bey, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 30 July 2023, and the lowest was -13.4 °C on 7 January 1954.
Compare Salah Bey with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Salah Bey