El Alia climate — normals and trends
El Alia (Tunisia) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.2 °C and it receives 572 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 (25.3 °C on average) and the coldest is February (12.5 °C). Rainfall peaks in December.
El Alia averages 0 frost days, 3 hot days (≥ 30 °C) and 85 rainy days per year.
El Alia has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The hottest day of the period reached 40.7 °C (on 10 August 2021) and the coldest 2.1 °C (on 2 February 1956).
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
El AliaBizerte Governorate
- coords
- 37.17°, 10.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.2°C
Average daily high
19.6°C
Average daily low
16.9°C
Annual rainfall
572mm
Sunshine / day
10.7h
Mean relative humidity
78%
Average peak wind
27.4km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
85 d/yr
Annual snowfall
0.1 cm
Average feels-like high
19.2 °C
Average feels-like low
15.2 °C
Average peak gust
37.4 km/h
Tropical nights (≥ 20 °C)
119 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.43 · 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
40.7 °C
10 August 2021
Coldest day
2.1 °C
2 February 1956
Wettest day
102 mm
11 October 1948
Windiest day
69.3 km/h
26 March 1983
Strongest gust
109.1 km/h
12 January 1968
Hottest feels-like
42.0 °C
24 July 2023
Coldest feels-like
-6.7 °C
8 January 1981
Snowiest day
3.3 cm
2 February 1956
Sunniest day
14.1 h
25 June 2008
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 | 15.8 °C | +1.8 °C | 106 mm | +20 mm |
| Feb | 15.0 °C | +1.0 °C | 66 mm | -6 mm |
| Mar | 16.6 °C | +1.6 °C | 50 mm | -5 mm |
| Apr | 17.8 °C | +1.1 °C | 44 mm | +0 mm |
| May | 20.6 °C | +1.2 °C | 53 mm | +29 mm |
| Jun | 25.7 °C | +2.8 °C | 7 mm | -1 mm |
| Jul | 28.1 °C | +2.3 °C | 0 mm | -2 mm |
| Aug | 27.5 °C | +0.8 °C | 0 mm | -5 mm |
| Sep | 26.4 °C | +1.4 °C | 49 mm | +16 mm |
| Oct | 22.9 °C | +0.9 °C | 19 mm | -49 mm |
| Nov | 19.4 °C | +1.0 °C | 113 mm | +36 mm |
| Dec | 16.6 °C | +1.3 °C | 75 mm | -22 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 El Alia?
El Alia has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.2 °C and it receives 572 mm of precipitation per year.
What is the hottest day ever recorded in El Alia?
The hottest day measured in El Alia between 1940 and 2025 was 10 August 2021, reaching 40.7 °C.
What is the coldest day in El Alia?
The coldest day measured in El Alia between 1940 and 2025 was 2 February 1956, at 2.1 °C.
Does it snow in El Alia?
Almost never: El Alia sees virtually no snow, with about 0 frost days per year.
Has the climate of El Alia warmed?
Yes: El Alia warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in El Alia?
The wettest day measured in El Alia between 1940 and 2025 was 11 October 1948, with 102 mm of rain in 24 hours.
What was the windiest day in El Alia?
The windiest day measured in El Alia between 1940 and 2025 was 26 March 1983, with winds reaching 69.3 km/h.
What is the warmest month in El Alia?
The warmest month in El Alia is August (25.3 °C on average); the coldest is February (12.5 °C).
How much does it rain in El Alia?
El Alia receives on average 572 mm of precipitation per year, spread over about 85 rainy days.
Is it sunny in El Alia?
El Alia 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 El Alia?
The heaviest 24-hour snowfall measured in El Alia between 1940 and 2025 was 2 February 1956, with 3.3 cm.
Are there tropical nights in El Alia?
Yes: El Alia has on average 119 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in El Alia?
In El Alia, between 1940 and 2025, the highest apparent temperature reached 42.0 °C on 24 July 2023, and the lowest was -6.7 °C on 8 January 1981.
Compare El Alia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around El Alia