Lardjem climate — normals and trends
Lardjem (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 596 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 (26.8 °C on average) and the coldest is January (7.2 °C). Rainfall peaks in January.
Lardjem averages 10 frost days, 90 hot days (≥ 30 °C) and 96 rainy days per year.
Lardjem has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 16 to 4 per year over the period.
The hottest day of the period reached 43.5 °C (on 23 July 2023) and the coldest -10.0 °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
LardjemTissemsilt Province
- coords
- 35.75°, 1.55°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
21.9°C
Average daily low
10.7°C
Annual rainfall
596mm
Sunshine / day
10.5h
Mean relative humidity
64%
Average peak wind
13.5km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
90 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
11.2 cm
Average feels-like high
20.8 °C
Average feels-like low
9.0 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
36 d/yr
Solar radiation
18.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.56 · 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
43.5 °C
23 July 2023
Coldest day
-10.0 °C
27 January 2005
Wettest day
96 mm
14 January 1961
Windiest day
42.3 km/h
6 February 1996
Strongest gust
121.0 km/h
5 March 2009
Hottest feels-like
43.2 °C
16 July 2005
Coldest feels-like
-13.7 °C
27 January 2005
Snowiest day
34.1 cm
18 January 1972
Sunniest day
14.0 h
27 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 13.5 °C | +1.7 °C | 59 mm | -17 mm |
| Feb | 15.8 °C | +2.5 °C | 41 mm | -28 mm |
| Mar | 17.7 °C | +1.6 °C | 63 mm | -8 mm |
| Apr | 22.5 °C | +3.4 °C | 68 mm | -4 mm |
| May | 25.6 °C | +1.8 °C | 80 mm | +28 mm |
| Jun | 35.4 °C | +5.8 °C | 14 mm | -5 mm |
| Jul | 35.9 °C | +1.6 °C | 10 mm | +2 mm |
| Aug | 35.8 °C | +1.9 °C | 3 mm | -10 mm |
| Sep | 31.5 °C | +2.6 °C | 19 mm | -13 mm |
| Oct | 25.9 °C | +3.1 °C | 22 mm | -30 mm |
| Nov | 18.2 °C | +1.6 °C | 30 mm | -32 mm |
| Dec | 13.5 °C | +0.9 °C | 95 mm | +24 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 Lardjem?
Lardjem has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 596 mm of precipitation per year.
What is the hottest day ever recorded in Lardjem?
The hottest day measured in Lardjem between 1940 and 2025 was 23 July 2023, reaching 43.5 °C.
What is the coldest day in Lardjem?
The coldest day measured in Lardjem between 1940 and 2025 was 27 January 2005, at -10.0 °C.
Does it snow in Lardjem?
Yes. Lardjem gets on average 11.2 cm of snow per year and has around 10 frost days.
Has the climate of Lardjem warmed?
Yes: Lardjem warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lardjem?
The wettest day measured in Lardjem between 1940 and 2025 was 14 January 1961, with 96 mm of rain in 24 hours.
What was the windiest day in Lardjem?
The windiest day measured in Lardjem between 1940 and 2025 was 6 February 1996, with winds reaching 42.3 km/h.
What is the warmest month in Lardjem?
The warmest month in Lardjem is July (26.8 °C on average); the coldest is January (7.2 °C).
How much does it rain in Lardjem?
Lardjem receives on average 596 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Lardjem?
Lardjem gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lardjem?
The heaviest 24-hour snowfall measured in Lardjem between 1940 and 2025 was 18 January 1972, with 34.1 cm.
Are there tropical nights in Lardjem?
Yes: Lardjem has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lardjem?
In Lardjem, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 16 July 2005, and the lowest was -13.7 °C on 27 January 2005.
Compare Lardjem with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lardjem