Tadjenanet climate — normals and trends
Tadjenanet (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.1 °C and it receives 372 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 (25.8 °C on average) and the coldest is January (6.2 °C). Rainfall peaks in April.
Tadjenanet averages 17 frost days, 74 hot days (≥ 30 °C) and 82 rainy days per year.
Tadjenanet has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 29 to 5 per year over the period.
The hottest day of the period reached 42.2 °C (on 29 July 2023) and the coldest -9.2 °C (on 14 January 1945).
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
TadjenanetMila Province
- coords
- 36.12°, 5.99°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.1°C
Average daily high
21.0°C
Average daily low
9.8°C
Annual rainfall
372mm
Sunshine / day
10.4h
Mean relative humidity
63%
Average peak wind
15.0km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
17 d/yr
Hot days (≥ 30 °C)
74 d/yr
Rainy days (≥ 1 mm)
82 d/yr
Annual snowfall
11.3 cm
Average feels-like high
19.3 °C
Average feels-like low
8.1 °C
Average peak gust
35.3 km/h
Tropical nights (≥ 20 °C)
26 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.71 · 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
42.2 °C
29 July 2023
Coldest day
-9.2 °C
14 January 1945
Wettest day
49 mm
29 February 2024
Windiest day
41.9 km/h
7 March 1991
Strongest gust
95.4 km/h
19 January 2005
Hottest feels-like
43.1 °C
29 July 2005
Coldest feels-like
-14.2 °C
14 January 1945
Snowiest day
19.5 cm
7 March 1985
Sunniest day
14.0 h
28 June 1947
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 | 12.9 °C | +2.0 °C | 61 mm | +27 mm |
| Feb | 14.4 °C | +2.0 °C | 17 mm | -16 mm |
| Mar | 17.9 °C | +2.6 °C | 27 mm | -15 mm |
| Apr | 21.0 °C | +2.4 °C | 59 mm | +14 mm |
| May | 24.8 °C | +1.3 °C | 65 mm | +22 mm |
| Jun | 32.9 °C | +3.9 °C | 5 mm | -17 mm |
| Jul | 34.2 °C | +1.2 °C | 8 mm | -3 mm |
| Aug | 33.4 °C | +1.0 °C | 17 mm | -1 mm |
| Sep | 29.2 °C | +1.8 °C | 46 mm | +15 mm |
| Oct | 23.2 °C | +1.5 °C | 17 mm | -12 mm |
| Nov | 16.5 °C | +0.8 °C | 23 mm | -7 mm |
| Dec | 12.9 °C | +1.3 °C | 34 mm | -2 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 Tadjenanet?
Tadjenanet has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.1 °C and it receives 372 mm of precipitation per year.
What is the hottest day ever recorded in Tadjenanet?
The hottest day measured in Tadjenanet between 1940 and 2025 was 29 July 2023, reaching 42.2 °C.
What is the coldest day in Tadjenanet?
The coldest day measured in Tadjenanet between 1940 and 2025 was 14 January 1945, at -9.2 °C.
Does it snow in Tadjenanet?
Yes. Tadjenanet gets on average 11.3 cm of snow per year and has around 17 frost days.
Has the climate of Tadjenanet warmed?
Yes: Tadjenanet warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tadjenanet?
The wettest day measured in Tadjenanet between 1940 and 2025 was 29 February 2024, with 49 mm of rain in 24 hours.
What was the windiest day in Tadjenanet?
The windiest day measured in Tadjenanet between 1940 and 2025 was 7 March 1991, with winds reaching 41.9 km/h.
What is the warmest month in Tadjenanet?
The warmest month in Tadjenanet is July (25.8 °C on average); the coldest is January (6.2 °C).
How much does it rain in Tadjenanet?
Tadjenanet receives on average 372 mm of precipitation per year, spread over about 82 rainy days.
Is it sunny in Tadjenanet?
Tadjenanet gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tadjenanet?
The heaviest 24-hour snowfall measured in Tadjenanet between 1940 and 2025 was 7 March 1985, with 19.5 cm.
Are there tropical nights in Tadjenanet?
Yes: Tadjenanet has on average 26 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tadjenanet?
In Tadjenanet, between 1940 and 2025, the highest apparent temperature reached 43.1 °C on 29 July 2005, and the lowest was -14.2 °C on 14 January 1945.
Compare Tadjenanet with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tadjenanet