Assi Bou Nif climate — normals and trends
Assi Bou Nif (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.7 °C and it receives 378 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 (26.1 °C on average) and the coldest is January (12.8 °C). Rainfall peaks in December.
Assi Bou Nif averages 0 frost days, 18 hot days (≥ 30 °C) and 62 rainy days per year.
Assi Bou Nif has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The hottest day of the period reached 37.8 °C (on 31 July 2001) and the coldest 2.1 °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
Assi Bou NifOran Province
- coords
- 35.69°, -0.50°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.7°C
Average daily high
21.5°C
Average daily low
16.1°C
Annual rainfall
378mm
Sunshine / day
11.0h
Mean relative humidity
74%
Average peak wind
19.3km/h
Seasonal range
13.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
62 d/yr
Annual snowfall
0.0 cm
Average feels-like high
21.6 °C
Average feels-like low
15.7 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
102 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °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
37.8 °C
31 July 2001
Coldest day
2.1 °C
27 January 2005
Wettest day
77 mm
10 November 2001
Windiest day
61.4 km/h
10 January 1987
Strongest gust
121.3 km/h
1 December 1959
Hottest feels-like
40.7 °C
27 August 2010
Coldest feels-like
-2.7 °C
2 February 1954
Snowiest day
0.9 cm
11 December 1967
Sunniest day
14.0 h
18 May 1940
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 | 16.9 °C | +1.6 °C | 50 mm | -2 mm |
| Feb | 17.2 °C | +1.4 °C | 35 mm | -11 mm |
| Mar | 19.1 °C | +1.8 °C | 43 mm | +0 mm |
| Apr | 20.6 °C | +1.6 °C | 23 mm | -17 mm |
| May | 23.5 °C | +1.7 °C | 41 mm | +14 mm |
| Jun | 28.3 °C | +3.1 °C | 0 mm | -8 mm |
| Jul | 29.6 °C | +1.3 °C | 2 mm | +1 mm |
| Aug | 30.1 °C | +1.0 °C | 0 mm | -3 mm |
| Sep | 27.3 °C | +0.4 °C | 6 mm | -8 mm |
| Oct | 25.4 °C | +2.1 °C | 11 mm | -23 mm |
| Nov | 20.7 °C | +1.4 °C | 14 mm | -39 mm |
| Dec | 16.6 °C | +0.3 °C | 96 mm | +37 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 Assi Bou Nif?
Assi Bou Nif has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.7 °C and it receives 378 mm of precipitation per year.
What is the hottest day ever recorded in Assi Bou Nif?
The hottest day measured in Assi Bou Nif between 1940 and 2025 was 31 July 2001, reaching 37.8 °C.
What is the coldest day in Assi Bou Nif?
The coldest day measured in Assi Bou Nif between 1940 and 2025 was 27 January 2005, at 2.1 °C.
Does it snow in Assi Bou Nif?
Almost never: Assi Bou Nif sees virtually no snow, with about 0 frost days per year.
Has the climate of Assi Bou Nif warmed?
Yes: Assi Bou Nif warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Assi Bou Nif?
The wettest day measured in Assi Bou Nif between 1940 and 2025 was 10 November 2001, with 77 mm of rain in 24 hours.
What was the windiest day in Assi Bou Nif?
The windiest day measured in Assi Bou Nif between 1940 and 2025 was 10 January 1987, with winds reaching 61.4 km/h.
What is the warmest month in Assi Bou Nif?
The warmest month in Assi Bou Nif is August (26.1 °C on average); the coldest is January (12.8 °C).
How much does it rain in Assi Bou Nif?
Assi Bou Nif receives on average 378 mm of precipitation per year, spread over about 62 rainy days.
Is it sunny in Assi Bou Nif?
Assi Bou Nif gets on average 11.0 hours of sunshine per day, roughly 4,015 hours per year over 1940-2025.
What is the biggest single-day snowfall in Assi Bou Nif?
The heaviest 24-hour snowfall measured in Assi Bou Nif between 1940 and 2025 was 11 December 1967, with 0.9 cm.
Are there tropical nights in Assi Bou Nif?
Yes: Assi Bou Nif has on average 102 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Assi Bou Nif?
In Assi Bou Nif, between 1940 and 2025, the highest apparent temperature reached 40.7 °C on 27 August 2010, and the lowest was -2.7 °C on 2 February 1954.
Compare Assi Bou Nif with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Assi Bou Nif