Beni Mester climate — normals and trends
Beni Mester (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.1 °C and it receives 476 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 August (24.4 °C on average) and the coldest is January (7.3 °C). Rainfall peaks in April.
Beni Mester averages 15 frost days, 65 hot days (≥ 30 °C) and 80 rainy days per year.
Beni Mester has warmed by +2.3 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 21 to 9 per year over the period.
The hottest day of the period reached 42.0 °C (on 11 July 2021) and the coldest -9.2 °C (on 13 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
Beni MesterTlemcen Province
- coords
- 34.87°, -1.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.1°C
Average daily high
21.6°C
Average daily low
9.5°C
Annual rainfall
476mm
Sunshine / day
10.7h
Mean relative humidity
67%
Average peak wind
12.7km/h
Seasonal range
17.1°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
65 d/yr
Rainy days (≥ 1 mm)
80 d/yr
Annual snowfall
10.9 cm
Average feels-like high
20.9 °C
Average feels-like low
7.9 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
11 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.60 · 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
42.0 °C
11 July 2021
Coldest day
-9.2 °C
13 December 1967
Wettest day
91 mm
13 November 2012
Windiest day
37.2 km/h
5 November 1965
Strongest gust
112.3 km/h
1 December 1959
Hottest feels-like
42.5 °C
11 July 2021
Coldest feels-like
-14.1 °C
13 December 1967
Snowiest day
38.8 cm
10 November 2001
Sunniest day
14.0 h
20 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 | 15.3 °C | +2.3 °C | 41 mm | -14 mm |
| Feb | 16.5 °C | +2.0 °C | 35 mm | -17 mm |
| Mar | 18.0 °C | +1.1 °C | 59 mm | -2 mm |
| Apr | 22.4 °C | +3.2 °C | 47 mm | -15 mm |
| May | 24.8 °C | +1.9 °C | 51 mm | +7 mm |
| Jun | 32.6 °C | +5.3 °C | 13 mm | -5 mm |
| Jul | 32.7 °C | +1.0 °C | 3 mm | -2 mm |
| Aug | 33.1 °C | +1.2 °C | 9 mm | -1 mm |
| Sep | 29.0 °C | +1.1 °C | 20 mm | -6 mm |
| Oct | 25.5 °C | +2.7 °C | 12 mm | -29 mm |
| Nov | 19.1 °C | +1.7 °C | 13 mm | -36 mm |
| Dec | 13.4 °C | -0.4 °C | 74 mm | +21 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 Beni Mester?
Beni Mester has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.1 °C and it receives 476 mm of precipitation per year.
What is the hottest day ever recorded in Beni Mester?
The hottest day measured in Beni Mester between 1940 and 2025 was 11 July 2021, reaching 42.0 °C.
What is the coldest day in Beni Mester?
The coldest day measured in Beni Mester between 1940 and 2025 was 13 December 1967, at -9.2 °C.
Does it snow in Beni Mester?
Yes. Beni Mester gets on average 10.9 cm of snow per year and has around 15 frost days.
Has the climate of Beni Mester warmed?
Yes: Beni Mester warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Beni Mester?
The wettest day measured in Beni Mester between 1940 and 2025 was 13 November 2012, with 91 mm of rain in 24 hours.
What was the windiest day in Beni Mester?
The windiest day measured in Beni Mester between 1940 and 2025 was 5 November 1965, with winds reaching 37.2 km/h.
What is the warmest month in Beni Mester?
The warmest month in Beni Mester is August (24.4 °C on average); the coldest is January (7.3 °C).
How much does it rain in Beni Mester?
Beni Mester receives on average 476 mm of precipitation per year, spread over about 80 rainy days.
Is it sunny in Beni Mester?
Beni Mester gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
What is the biggest single-day snowfall in Beni Mester?
The heaviest 24-hour snowfall measured in Beni Mester between 1940 and 2025 was 10 November 2001, with 38.8 cm.
Are there tropical nights in Beni Mester?
Yes: Beni Mester has on average 11 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Beni Mester?
In Beni Mester, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 11 July 2021, and the lowest was -14.1 °C on 13 December 1967.
Compare Beni Mester with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Beni Mester