Robbah climate — normals and trends
Robbah (Algeria) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.3 °C and it receives 66 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 (32.8 °C on average) and the coldest is January (10.0 °C). Rainfall peaks in March.
Robbah averages 2 frost days, 153 hot days (≥ 30 °C) and 13 rainy days per year.
Robbah has warmed by +3.5 °C between 1940 and 2025, or +0.41 °C per decade. This trend is statistically significant.
The number of frost days there went from about 6 to 0 per year over the period.
The hottest day of the period reached 49.4 °C (on 14 July 2019) and the coldest -6.6 °C (on 6 January 1941).
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
RobbahEl Oued Province
- coords
- 33.28°, 6.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.3°C
Average daily high
27.3°C
Average daily low
15.6°C
Annual rainfall
66mm
Sunshine / day
11.1h
Mean relative humidity
46%
Average peak wind
22.4km/h
Seasonal range
22.8°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
153 d/yr
Rainy days (≥ 1 mm)
13 d/yr
Annual snowfall
0.0 cm
Average feels-like high
25.3 °C
Average feels-like low
12.7 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
129 d/yr
Solar radiation
20.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.5 °C
since 1940
+0.4 °C per decade · r² = 0.82 · 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
49.4 °C
14 July 2019
Coldest day
-6.6 °C
6 January 1941
Wettest day
58 mm
28 September 1969
Windiest day
70.3 km/h
26 March 1963
Strongest gust
101.2 km/h
26 March 1963
Hottest feels-like
49.3 °C
26 July 2005
Coldest feels-like
-11.3 °C
6 January 1941
Snowiest day
0.9 cm
19 December 1999
Sunniest day
13.2 h
21 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 | 18.2 °C | +2.8 °C | 1 mm | -9 mm |
| Feb | 18.4 °C | +0.4 °C | 17 mm | +11 mm |
| Mar | 25.3 °C | +3.4 °C | 3 mm | -8 mm |
| Apr | 28.1 °C | +1.7 °C | 1 mm | -6 mm |
| May | 32.4 °C | +0.9 °C | 6 mm | +3 mm |
| Jun | 38.0 °C | +1.3 °C | 0 mm | -1 mm |
| Jul | 41.2 °C | +1.7 °C | 0 mm | -0 mm |
| Aug | 39.7 °C | +0.8 °C | 0 mm | -1 mm |
| Sep | 35.3 °C | +1.1 °C | 4 mm | -0 mm |
| Oct | 29.6 °C | +1.8 °C | 2 mm | -5 mm |
| Nov | 22.5 °C | +1.5 °C | 3 mm | -4 mm |
| Dec | 17.0 °C | +0.9 °C | 28 mm | +18 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 Robbah?
Robbah has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.3 °C and it receives 66 mm of precipitation per year.
What is the hottest day ever recorded in Robbah?
The hottest day measured in Robbah between 1940 and 2025 was 14 July 2019, reaching 49.4 °C.
What is the coldest day in Robbah?
The coldest day measured in Robbah between 1940 and 2025 was 6 January 1941, at -6.6 °C.
Does it snow in Robbah?
Almost never: Robbah sees virtually no snow, with about 2 frost days per year.
Has the climate of Robbah warmed?
Yes: Robbah warmed by +3.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Robbah?
The wettest day measured in Robbah between 1940 and 2025 was 28 September 1969, with 58 mm of rain in 24 hours.
What was the windiest day in Robbah?
The windiest day measured in Robbah between 1940 and 2025 was 26 March 1963, with winds reaching 70.3 km/h.
What is the warmest month in Robbah?
The warmest month in Robbah is July (32.8 °C on average); the coldest is January (10.0 °C).
How much does it rain in Robbah?
Robbah receives on average 66 mm of precipitation per year, spread over about 13 rainy days.
Is it sunny in Robbah?
Robbah gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
What is the biggest single-day snowfall in Robbah?
The heaviest 24-hour snowfall measured in Robbah between 1940 and 2025 was 19 December 1999, with 0.9 cm.
Are there tropical nights in Robbah?
Yes: Robbah has on average 129 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Robbah?
In Robbah, between 1940 and 2025, the highest apparent temperature reached 49.3 °C on 26 July 2005, and the lowest was -11.3 °C on 6 January 1941.
Compare Robbah with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Robbah