Ammi Moussa climate — normals and trends
Ammi Moussa (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 430 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 (28.5 °C on average) and the coldest is January (9.4 °C). Rainfall peaks in January.
Ammi Moussa averages 2 frost days, 113 hot days (≥ 30 °C) and 73 rainy days per year.
Ammi Moussa has warmed by +2.4 °C between 1940 and 2025, or +0.28 °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 45.4 °C (on 23 July 2023) and the coldest -7.7 °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
Ammi MoussaRelizane Province
- coords
- 35.87°, 1.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.1°C
Average daily high
24.1°C
Average daily low
12.6°C
Annual rainfall
430mm
Sunshine / day
10.6h
Mean relative humidity
63%
Average peak wind
14.4km/h
Seasonal range
19.1°C
Frost days (< 0 °C)
2 d/yr
Hot days (≥ 30 °C)
113 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
1.7 cm
Average feels-like high
23.2 °C
Average feels-like low
11.5 °C
Average peak gust
34.2 km/h
Tropical nights (≥ 20 °C)
61 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.55 · 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
45.4 °C
23 July 2023
Coldest day
-7.7 °C
27 January 2005
Wettest day
66 mm
26 January 1955
Windiest day
47.2 km/h
6 February 1996
Strongest gust
121.3 km/h
5 March 2009
Hottest feels-like
45.9 °C
20 July 2003
Coldest feels-like
-11.9 °C
27 January 2005
Snowiest day
16.6 cm
11 December 1967
Sunniest day
14.0 h
26 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 | 16.0 °C | +1.9 °C | 45 mm | -18 mm |
| Feb | 18.2 °C | +2.6 °C | 36 mm | -17 mm |
| Mar | 20.4 °C | +2.0 °C | 48 mm | -4 mm |
| Apr | 25.3 °C | +3.8 °C | 45 mm | -6 mm |
| May | 28.4 °C | +2.4 °C | 46 mm | +13 mm |
| Jun | 37.9 °C | +6.2 °C | 4 mm | -5 mm |
| Jul | 37.6 °C | +1.5 °C | 5 mm | +2 mm |
| Aug | 37.7 °C | +1.8 °C | 2 mm | -3 mm |
| Sep | 33.4 °C | +2.2 °C | 10 mm | -5 mm |
| Oct | 28.4 °C | +3.3 °C | 8 mm | -26 mm |
| Nov | 20.9 °C | +2.0 °C | 19 mm | -32 mm |
| Dec | 15.8 °C | +0.8 °C | 83 mm | +23 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 Ammi Moussa?
Ammi Moussa has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 430 mm of precipitation per year.
What is the hottest day ever recorded in Ammi Moussa?
The hottest day measured in Ammi Moussa between 1940 and 2025 was 23 July 2023, reaching 45.4 °C.
What is the coldest day in Ammi Moussa?
The coldest day measured in Ammi Moussa between 1940 and 2025 was 27 January 2005, at -7.7 °C.
Does it snow in Ammi Moussa?
Yes. Ammi Moussa gets on average 1.7 cm of snow per year and has around 2 frost days.
Has the climate of Ammi Moussa warmed?
Yes: Ammi Moussa warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ammi Moussa?
The wettest day measured in Ammi Moussa between 1940 and 2025 was 26 January 1955, with 66 mm of rain in 24 hours.
What was the windiest day in Ammi Moussa?
The windiest day measured in Ammi Moussa between 1940 and 2025 was 6 February 1996, with winds reaching 47.2 km/h.
What is the warmest month in Ammi Moussa?
The warmest month in Ammi Moussa is July (28.5 °C on average); the coldest is January (9.4 °C).
How much does it rain in Ammi Moussa?
Ammi Moussa receives on average 430 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Ammi Moussa?
Ammi Moussa gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ammi Moussa?
The heaviest 24-hour snowfall measured in Ammi Moussa between 1940 and 2025 was 11 December 1967, with 16.6 cm.
Are there tropical nights in Ammi Moussa?
Yes: Ammi Moussa has on average 61 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ammi Moussa?
In Ammi Moussa, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 20 July 2003, and the lowest was -11.9 °C on 27 January 2005.
Compare Ammi Moussa with another city
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Nearby cities
The climate around Ammi Moussa