La Marsa climate — normals and trends
La Marsa (Tunisia) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.3 °C and it receives 494 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 (25.6 °C on average) and the coldest is February (12.6 °C). Rainfall peaks in December.
La Marsa averages 0 frost days, 6 hot days (≥ 30 °C) and 78 rainy days per year.
La Marsa has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.6 °C (on 10 August 2021) and the coldest 2.8 °C (on 8 January 1981).
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
La MarsaTunis Governorate
- coords
- 36.88°, 10.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.3°C
Average daily high
20.0°C
Average daily low
16.8°C
Annual rainfall
494mm
Sunshine / day
10.7h
Mean relative humidity
76%
Average peak wind
26.7km/h
Seasonal range
13.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
0.0 cm
Average feels-like high
19.6 °C
Average feels-like low
15.2 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
119 d/yr
Solar radiation
17.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
37.6 °C
10 August 2021
Coldest day
2.8 °C
8 January 1981
Wettest day
171 mm
11 October 1948
Windiest day
69.3 km/h
23 January 1940
Strongest gust
110.2 km/h
12 January 1968
Hottest feels-like
41.8 °C
24 July 2023
Coldest feels-like
-6.7 °C
8 January 1981
Snowiest day
2.1 cm
8 January 1981
Sunniest day
14.1 h
22 June 1941
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 | 16.2 °C | +2.0 °C | 104 mm | +33 mm |
| Feb | 15.3 °C | +1.1 °C | 60 mm | -1 mm |
| Mar | 17.0 °C | +1.7 °C | 37 mm | -12 mm |
| Apr | 18.2 °C | +1.2 °C | 50 mm | +11 mm |
| May | 21.1 °C | +1.2 °C | 29 mm | +8 mm |
| Jun | 26.0 °C | +2.7 °C | 10 mm | +3 mm |
| Jul | 28.8 °C | +2.5 °C | 0 mm | -2 mm |
| Aug | 27.8 °C | +0.6 °C | 0 mm | -5 mm |
| Sep | 26.9 °C | +1.4 °C | 46 mm | +16 mm |
| Oct | 23.5 °C | +1.0 °C | 17 mm | -49 mm |
| Nov | 19.8 °C | +1.0 °C | 63 mm | -1 mm |
| Dec | 17.0 °C | +1.4 °C | 58 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 La Marsa?
La Marsa has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.3 °C and it receives 494 mm of precipitation per year.
What is the hottest day ever recorded in La Marsa?
The hottest day measured in La Marsa between 1940 and 2025 was 10 August 2021, reaching 37.6 °C.
What is the coldest day in La Marsa?
The coldest day measured in La Marsa between 1940 and 2025 was 8 January 1981, at 2.8 °C.
Does it snow in La Marsa?
Almost never: La Marsa sees virtually no snow, with about 0 frost days per year.
Has the climate of La Marsa warmed?
Yes: La Marsa warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in La Marsa?
The wettest day measured in La Marsa between 1940 and 2025 was 11 October 1948, with 171 mm of rain in 24 hours.
What was the windiest day in La Marsa?
The windiest day measured in La Marsa between 1940 and 2025 was 23 January 1940, with winds reaching 69.3 km/h.
What is the warmest month in La Marsa?
The warmest month in La Marsa is August (25.6 °C on average); the coldest is February (12.6 °C).
How much does it rain in La Marsa?
La Marsa receives on average 494 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in La Marsa?
La Marsa 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 La Marsa?
The heaviest 24-hour snowfall measured in La Marsa between 1940 and 2025 was 8 January 1981, with 2.1 cm.
Are there tropical nights in La Marsa?
Yes: La Marsa has on average 119 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in La Marsa?
In La Marsa, between 1940 and 2025, the highest apparent temperature reached 41.8 °C on 24 July 2023, and the lowest was -6.7 °C on 8 January 1981.
Compare La Marsa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around La Marsa