Sidi Okba climate — normals and trends
Sidi Okba (Algeria) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 22.0 °C and it receives 115 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 (33.9 °C on average) and the coldest is January (10.8 °C). Rainfall peaks in October.
Sidi Okba averages 1 frost days, 149 hot days (≥ 30 °C) and 22 rainy days per year.
Sidi Okba has warmed by +3.4 °C between 1940 and 2025, or +0.40 °C per decade. This trend is statistically significant.
The number of frost days there went from about 2 to 0 per year over the period.
The hottest day of the period reached 48.9 °C (on 13 July 2017) and the coldest -2.0 °C (on 31 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
Sidi OkbaBiskra Province
- coords
- 34.75°, 5.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
22.0°C
Average daily high
27.2°C
Average daily low
16.7°C
Annual rainfall
115mm
Sunshine / day
11.0h
Mean relative humidity
42%
Average peak wind
16.6km/h
Seasonal range
23.1°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
149 d/yr
Rainy days (≥ 1 mm)
22 d/yr
Annual snowfall
0.1 cm
Average feels-like high
25.6 °C
Average feels-like low
14.6 °C
Average peak gust
32.3 km/h
Tropical nights (≥ 20 °C)
142 d/yr
Solar radiation
19.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.4 °C
since 1940
+0.4 °C per decade · r² = 0.80 · 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
48.9 °C
13 July 2017
Coldest day
-2.0 °C
31 December 1940
Wettest day
45 mm
20 November 1967
Windiest day
52.5 km/h
19 February 1943
Strongest gust
91.8 km/h
19 February 1943
Hottest feels-like
48.2 °C
8 July 2008
Coldest feels-like
-6.4 °C
18 February 1942
Snowiest day
2.0 cm
16 January 1987
Sunniest day
13.6 h
30 June 1944
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 | 18.8 °C | +2.9 °C | 5 mm | -9 mm |
| Feb | 20.1 °C | +2.0 °C | 2 mm | -8 mm |
| Mar | 24.8 °C | +2.9 °C | 4 mm | -9 mm |
| Apr | 27.5 °C | +1.5 °C | 16 mm | +4 mm |
| May | 33.0 °C | +1.7 °C | 18 mm | +12 mm |
| Jun | 39.0 °C | +2.4 °C | 0 mm | -3 mm |
| Jul | 41.2 °C | +1.6 °C | 0 mm | -0 mm |
| Aug | 40.0 °C | +1.3 °C | 1 mm | -1 mm |
| Sep | 35.2 °C | +1.5 °C | 6 mm | -5 mm |
| Oct | 29.4 °C | +2.0 °C | 5 mm | -11 mm |
| Nov | 22.1 °C | +1.1 °C | 2 mm | -11 mm |
| Dec | 17.3 °C | +0.7 °C | 51 mm | +36 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 Sidi Okba?
Sidi Okba has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 22.0 °C and it receives 115 mm of precipitation per year.
What is the hottest day ever recorded in Sidi Okba?
The hottest day measured in Sidi Okba between 1940 and 2025 was 13 July 2017, reaching 48.9 °C.
What is the coldest day in Sidi Okba?
The coldest day measured in Sidi Okba between 1940 and 2025 was 31 December 1940, at -2.0 °C.
Does it snow in Sidi Okba?
Almost never: Sidi Okba sees virtually no snow, with about 1 frost days per year.
Has the climate of Sidi Okba warmed?
Yes: Sidi Okba warmed by +3.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sidi Okba?
The wettest day measured in Sidi Okba between 1940 and 2025 was 20 November 1967, with 45 mm of rain in 24 hours.
What was the windiest day in Sidi Okba?
The windiest day measured in Sidi Okba between 1940 and 2025 was 19 February 1943, with winds reaching 52.5 km/h.
What is the warmest month in Sidi Okba?
The warmest month in Sidi Okba is July (33.9 °C on average); the coldest is January (10.8 °C).
How much does it rain in Sidi Okba?
Sidi Okba receives on average 115 mm of precipitation per year, spread over about 22 rainy days.
Is it sunny in Sidi Okba?
Sidi Okba gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sidi Okba?
The heaviest 24-hour snowfall measured in Sidi Okba between 1940 and 2025 was 16 January 1987, with 2.0 cm.
Are there tropical nights in Sidi Okba?
Yes: Sidi Okba has on average 142 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sidi Okba?
In Sidi Okba, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 8 July 2008, and the lowest was -6.4 °C on 18 February 1942.
Compare Sidi Okba with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sidi Okba