Dahmani climate — normals and trends
Dahmani (Tunisia) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 375 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 (26.5 °C on average) and the coldest is January (7.8 °C). Rainfall peaks in March.
Dahmani averages 7 frost days, 87 hot days (≥ 30 °C) and 76 rainy days per year.
Dahmani 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 14 to 0 per year over the period.
The hottest day of the period reached 44.7 °C (on 10 August 2021) and the coldest -7.4 °C (on 31 December 1940).
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
DahmaniKef Governorate
- coords
- 35.94°, 8.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
22.5°C
Average daily low
11.1°C
Annual rainfall
375mm
Sunshine / day
10.4h
Mean relative humidity
62%
Average peak wind
14.7km/h
Seasonal range
18.7°C
Frost days (< 0 °C)
7 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
76 d/yr
Annual snowfall
3.9 cm
Average feels-like high
21.2 °C
Average feels-like low
9.5 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
36 d/yr
Solar radiation
17.9 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
44.7 °C
10 August 2021
Coldest day
-7.4 °C
31 December 1940
Wettest day
76 mm
12 December 2003
Windiest day
43.0 km/h
31 December 2000
Strongest gust
102.2 km/h
6 April 1991
Hottest feels-like
45.1 °C
8 July 2023
Coldest feels-like
-12.1 °C
31 December 1940
Snowiest day
12.8 cm
31 December 2014
Sunniest day
13.7 h
29 June 2015
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 | 15.1 °C | +2.5 °C | 57 mm | +18 mm |
| Feb | 15.4 °C | +1.5 °C | 43 mm | +5 mm |
| Mar | 19.4 °C | +2.7 °C | 29 mm | -18 mm |
| Apr | 22.0 °C | +2.0 °C | 71 mm | +26 mm |
| May | 25.6 °C | +0.6 °C | 65 mm | +32 mm |
| Jun | 33.7 °C | +3.5 °C | 2 mm | -16 mm |
| Jul | 35.3 °C | +1.6 °C | 9 mm | +1 mm |
| Aug | 34.0 °C | +0.6 °C | 9 mm | -4 mm |
| Sep | 30.6 °C | +1.6 °C | 47 mm | +15 mm |
| Oct | 24.8 °C | +1.2 °C | 18 mm | -15 mm |
| Nov | 19.3 °C | +1.4 °C | 8 mm | -23 mm |
| Dec | 15.3 °C | +1.6 °C | 23 mm | -14 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 Dahmani?
Dahmani has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 375 mm of precipitation per year.
What is the hottest day ever recorded in Dahmani?
The hottest day measured in Dahmani between 1940 and 2025 was 10 August 2021, reaching 44.7 °C.
What is the coldest day in Dahmani?
The coldest day measured in Dahmani between 1940 and 2025 was 31 December 1940, at -7.4 °C.
Does it snow in Dahmani?
Yes. Dahmani gets on average 3.9 cm of snow per year and has around 7 frost days.
Has the climate of Dahmani warmed?
Yes: Dahmani warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dahmani?
The wettest day measured in Dahmani between 1940 and 2025 was 12 December 2003, with 76 mm of rain in 24 hours.
What was the windiest day in Dahmani?
The windiest day measured in Dahmani between 1940 and 2025 was 31 December 2000, with winds reaching 43.0 km/h.
What is the warmest month in Dahmani?
The warmest month in Dahmani is July (26.5 °C on average); the coldest is January (7.8 °C).
How much does it rain in Dahmani?
Dahmani receives on average 375 mm of precipitation per year, spread over about 76 rainy days.
Is it sunny in Dahmani?
Dahmani 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 Dahmani?
The heaviest 24-hour snowfall measured in Dahmani between 1940 and 2025 was 31 December 2014, with 12.8 cm.
Are there tropical nights in Dahmani?
Yes: Dahmani has on average 36 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dahmani?
In Dahmani, between 1940 and 2025, the highest apparent temperature reached 45.1 °C on 8 July 2023, and the lowest was -12.1 °C on 31 December 1940.
Compare Dahmani with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dahmani