Nefta climate — normals and trends
Nefta (Tunisia) has a hot desert climate (BWh) under the Köppen-Geiger classification. Its mean annual temperature is 21.9 °C and it receives 90 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 (33.0 °C on average) and the coldest is January (10.7 °C). Rainfall peaks in December.
Nefta averages 1 frost days, 158 hot days (≥ 30 °C) and 18 rainy days per year.
Nefta has warmed by +3.5 °C between 1940 and 2025, or +0.41 °C per decade. This trend is statistically significant.
The number of frost days there went from about 4 to 0 per year over the period.
The hottest day of the period reached 49.8 °C (on 1 July 2024) and the coldest -4.9 °C (on 6 January 1941).
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
NeftaTozeur Governorate
- coords
- 33.87°, 7.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.9°C
Average daily high
27.8°C
Average daily low
16.3°C
Annual rainfall
90mm
Sunshine / day
11.1h
Mean relative humidity
47%
Average peak wind
21.3km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
1 d/yr
Hot days (≥ 30 °C)
158 d/yr
Rainy days (≥ 1 mm)
18 d/yr
Annual snowfall
0.0 cm
Average feels-like high
26.1 °C
Average feels-like low
14.2 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
141 d/yr
Solar radiation
20.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.5 °C
since 1940
+0.4 °C per decade · r² = 0.83 · 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
49.8 °C
1 July 2024
Coldest day
-4.9 °C
6 January 1941
Wettest day
73 mm
28 September 1969
Windiest day
67.4 km/h
26 March 1963
Strongest gust
116.3 km/h
26 March 1963
Hottest feels-like
49.1 °C
9 July 2023
Coldest feels-like
-8.6 °C
6 January 1941
Sunniest day
13.2 h
25 June 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 | 19.0 °C | +2.9 °C | 2 mm | -10 mm |
| Feb | 19.3 °C | +0.7 °C | 27 mm | +19 mm |
| Mar | 25.9 °C | +3.4 °C | 7 mm | -6 mm |
| Apr | 28.5 °C | +1.6 °C | 2 mm | -7 mm |
| May | 32.7 °C | +0.8 °C | 7 mm | +3 mm |
| Jun | 38.9 °C | +2.0 °C | 0 mm | -1 mm |
| Jul | 41.7 °C | +2.0 °C | 0 mm | -0 mm |
| Aug | 40.0 °C | +0.9 °C | 0 mm | -1 mm |
| Sep | 36.1 °C | +1.5 °C | 1 mm | -7 mm |
| Oct | 29.6 °C | +1.1 °C | 18 mm | +6 mm |
| Nov | 22.6 °C | +0.9 °C | 8 mm | -2 mm |
| Dec | 17.8 °C | +1.0 °C | 33 mm | +21 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 Nefta?
Nefta has a hot desert climate (Köppen BWh). Over 1940-2025, the average annual temperature is 21.9 °C and it receives 90 mm of precipitation per year.
What is the hottest day ever recorded in Nefta?
The hottest day measured in Nefta between 1940 and 2025 was 1 July 2024, reaching 49.8 °C.
What is the coldest day in Nefta?
The coldest day measured in Nefta between 1940 and 2025 was 6 January 1941, at -4.9 °C.
Does it snow in Nefta?
Almost never: Nefta sees virtually no snow, with about 1 frost days per year.
Has the climate of Nefta warmed?
Yes: Nefta warmed by +3.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Nefta?
The wettest day measured in Nefta between 1940 and 2025 was 28 September 1969, with 73 mm of rain in 24 hours.
What was the windiest day in Nefta?
The windiest day measured in Nefta between 1940 and 2025 was 26 March 1963, with winds reaching 67.4 km/h.
What is the warmest month in Nefta?
The warmest month in Nefta is July (33.0 °C on average); the coldest is January (10.7 °C).
How much does it rain in Nefta?
Nefta receives on average 90 mm of precipitation per year, spread over about 18 rainy days.
Is it sunny in Nefta?
Nefta gets on average 11.1 hours of sunshine per day, roughly 4,052 hours per year over 1940-2025.
Are there tropical nights in Nefta?
Yes: Nefta has on average 141 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Nefta?
In Nefta, between 1940 and 2025, the highest apparent temperature reached 49.1 °C on 9 July 2023, and the lowest was -8.6 °C on 6 January 1941.
Compare Nefta with another city
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Nearby cities
The climate around Nefta