Ténès climate — normals and trends
Ténès (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.7 °C and it receives 518 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 (25.5 °C on average) and the coldest is January (11.5 °C). Rainfall peaks in November.
Ténès averages 0 frost days, 15 hot days (≥ 30 °C) and 77 rainy days per year.
Ténès has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 36.5 °C (on 17 July 2023) and the coldest -1.9 °C (on 27 January 2005).
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
TénèsChlef Province
- coords
- 36.51°, 1.31°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.7°C
Average daily high
20.5°C
Average daily low
15.0°C
Annual rainfall
518mm
Sunshine / day
10.9h
Mean relative humidity
74%
Average peak wind
19.7km/h
Seasonal range
14.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
15 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
0.3 cm
Average feels-like high
20.3 °C
Average feels-like low
14.0 °C
Average peak gust
37.3 km/h
Tropical nights (≥ 20 °C)
84 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.49 · 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
36.5 °C
17 July 2023
Coldest day
-1.9 °C
27 January 2005
Wettest day
71 mm
11 November 2001
Windiest day
58.3 km/h
10 January 1987
Strongest gust
121.0 km/h
1 December 1959
Hottest feels-like
41.5 °C
11 July 2023
Coldest feels-like
-5.2 °C
3 January 1941
Snowiest day
5.3 cm
21 December 1979
Sunniest day
14.0 h
23 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 | 15.9 °C | +1.8 °C | 72 mm | +1 mm |
| Feb | 16.4 °C | +1.8 °C | 63 mm | +2 mm |
| Mar | 18.2 °C | +2.1 °C | 62 mm | +7 mm |
| Apr | 20.2 °C | +2.3 °C | 31 mm | -23 mm |
| May | 22.5 °C | +1.6 °C | 60 mm | +22 mm |
| Jun | 28.0 °C | +3.5 °C | 0 mm | -12 mm |
| Jul | 29.1 °C | +1.2 °C | 3 mm | +1 mm |
| Aug | 29.6 °C | +0.9 °C | 1 mm | -4 mm |
| Sep | 27.2 °C | +1.0 °C | 15 mm | -9 mm |
| Oct | 24.4 °C | +2.0 °C | 19 mm | -34 mm |
| Nov | 19.8 °C | +1.7 °C | 32 mm | -42 mm |
| Dec | 16.0 °C | +0.9 °C | 107 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 Ténès?
Ténès has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.7 °C and it receives 518 mm of precipitation per year.
What is the hottest day ever recorded in Ténès?
The hottest day measured in Ténès between 1940 and 2025 was 17 July 2023, reaching 36.5 °C.
What is the coldest day in Ténès?
The coldest day measured in Ténès between 1940 and 2025 was 27 January 2005, at -1.9 °C.
Does it snow in Ténès?
Almost never: Ténès sees virtually no snow, with about 0 frost days per year.
Has the climate of Ténès warmed?
Yes: Ténès warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ténès?
The wettest day measured in Ténès between 1940 and 2025 was 11 November 2001, with 71 mm of rain in 24 hours.
What was the windiest day in Ténès?
The windiest day measured in Ténès between 1940 and 2025 was 10 January 1987, with winds reaching 58.3 km/h.
What is the warmest month in Ténès?
The warmest month in Ténès is August (25.5 °C on average); the coldest is January (11.5 °C).
How much does it rain in Ténès?
Ténès receives on average 518 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in Ténès?
Ténès gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ténès?
The heaviest 24-hour snowfall measured in Ténès between 1940 and 2025 was 21 December 1979, with 5.3 cm.
Are there tropical nights in Ténès?
Yes: Ténès has on average 84 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ténès?
In Ténès, between 1940 and 2025, the highest apparent temperature reached 41.5 °C on 11 July 2023, and the lowest was -5.2 °C on 3 January 1941.
Compare Ténès with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ténès