Hassi Bahbah climate — normals and trends
Hassi Bahbah (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 257 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 (28.6 °C on average) and the coldest is January (6.1 °C). Rainfall peaks in April.
Hassi Bahbah averages 23 frost days, 103 hot days (≥ 30 °C) and 57 rainy days per year.
Hassi Bahbah has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 34 to 12 per year over the period.
The hottest day of the period reached 43.1 °C (on 9 July 2024) and the coldest -14.1 °C (on 15 December 1967).
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
Hassi BahbahDjelfa Province
- coords
- 35.07°, 3.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
22.4°C
Average daily low
10.3°C
Annual rainfall
257mm
Sunshine / day
10.6h
Mean relative humidity
55%
Average peak wind
16.7km/h
Seasonal range
22.5°C
Frost days (< 0 °C)
23 d/yr
Hot days (≥ 30 °C)
103 d/yr
Rainy days (≥ 1 mm)
57 d/yr
Annual snowfall
5.9 cm
Average feels-like high
20.2 °C
Average feels-like low
7.9 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
46 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
43.1 °C
9 July 2024
Coldest day
-14.1 °C
15 December 1967
Wettest day
47 mm
19 December 1999
Windiest day
50.0 km/h
5 March 2009
Strongest gust
119.5 km/h
5 March 2009
Hottest feels-like
42.2 °C
25 July 2009
Coldest feels-like
-18.2 °C
15 December 1967
Snowiest day
17.9 cm
5 January 1965
Sunniest day
14.0 h
11 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 | 12.6 °C | +1.6 °C | 43 mm | +14 mm |
| Feb | 15.3 °C | +2.3 °C | 7 mm | -17 mm |
| Mar | 18.6 °C | +2.0 °C | 13 mm | -16 mm |
| Apr | 23.2 °C | +2.8 °C | 25 mm | -5 mm |
| May | 26.5 °C | +0.9 °C | 72 mm | +46 mm |
| Jun | 35.8 °C | +4.1 °C | 3 mm | -10 mm |
| Jul | 37.4 °C | +1.6 °C | 1 mm | -4 mm |
| Aug | 35.9 °C | +1.0 °C | 3 mm | -6 mm |
| Sep | 30.9 °C | +1.6 °C | 31 mm | +10 mm |
| Oct | 24.6 °C | +2.0 °C | 21 mm | -3 mm |
| Nov | 17.9 °C | +1.7 °C | 5 mm | -16 mm |
| Dec | 12.3 °C | +0.5 °C | 52 mm | +25 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 Hassi Bahbah?
Hassi Bahbah has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 257 mm of precipitation per year.
What is the hottest day ever recorded in Hassi Bahbah?
The hottest day measured in Hassi Bahbah between 1940 and 2025 was 9 July 2024, reaching 43.1 °C.
What is the coldest day in Hassi Bahbah?
The coldest day measured in Hassi Bahbah between 1940 and 2025 was 15 December 1967, at -14.1 °C.
Does it snow in Hassi Bahbah?
Yes. Hassi Bahbah gets on average 5.9 cm of snow per year and has around 23 frost days.
Has the climate of Hassi Bahbah warmed?
Yes: Hassi Bahbah warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hassi Bahbah?
The wettest day measured in Hassi Bahbah between 1940 and 2025 was 19 December 1999, with 47 mm of rain in 24 hours.
What was the windiest day in Hassi Bahbah?
The windiest day measured in Hassi Bahbah between 1940 and 2025 was 5 March 2009, with winds reaching 50.0 km/h.
What is the warmest month in Hassi Bahbah?
The warmest month in Hassi Bahbah is July (28.6 °C on average); the coldest is January (6.1 °C).
How much does it rain in Hassi Bahbah?
Hassi Bahbah receives on average 257 mm of precipitation per year, spread over about 57 rainy days.
Is it sunny in Hassi Bahbah?
Hassi Bahbah 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 Hassi Bahbah?
The heaviest 24-hour snowfall measured in Hassi Bahbah between 1940 and 2025 was 5 January 1965, with 17.9 cm.
Are there tropical nights in Hassi Bahbah?
Yes: Hassi Bahbah has on average 46 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hassi Bahbah?
In Hassi Bahbah, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 25 July 2009, and the lowest was -18.2 °C on 15 December 1967.
Compare Hassi Bahbah with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hassi Bahbah