Maghnia climate — normals and trends
Maghnia (Algeria) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.7 °C and it receives 429 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 (24.7 °C on average) and the coldest is January (8.1 °C). Rainfall peaks in April.
Maghnia averages 9 frost days, 65 hot days (≥ 30 °C) and 73 rainy days per year.
Maghnia has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 13 to 5 per year over the period.
The hottest day of the period reached 42.2 °C (on 10 July 2023) and the coldest -8.3 °C (on 13 December 1967).
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
MaghniaTlemcen Province
- coords
- 34.85°, -1.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.7°C
Average daily high
22.1°C
Average daily low
10.2°C
Annual rainfall
429mm
Sunshine / day
10.7h
Mean relative humidity
68%
Average peak wind
13.0km/h
Seasonal range
16.6°C
Frost days (< 0 °C)
9 d/yr
Hot days (≥ 30 °C)
65 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
5.5 cm
Average feels-like high
21.6 °C
Average feels-like low
8.8 °C
Average peak gust
36.1 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.59 · 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
42.2 °C
10 July 2023
Coldest day
-8.3 °C
13 December 1967
Wettest day
76 mm
17 November 1986
Windiest day
37.9 km/h
5 November 1965
Strongest gust
109.4 km/h
18 February 2010
Hottest feels-like
43.6 °C
11 July 2021
Coldest feels-like
-13.2 °C
13 December 1967
Snowiest day
40.6 cm
10 November 2001
Sunniest day
14.0 h
23 May 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 | 16.3 °C | +2.4 °C | 38 mm | -12 mm |
| Feb | 17.3 °C | +2.0 °C | 31 mm | -16 mm |
| Mar | 18.7 °C | +1.1 °C | 54 mm | -3 mm |
| Apr | 22.8 °C | +3.0 °C | 44 mm | -13 mm |
| May | 25.5 °C | +2.2 °C | 42 mm | +1 mm |
| Jun | 32.5 °C | +5.0 °C | 7 mm | -8 mm |
| Jul | 32.3 °C | +0.6 °C | 2 mm | -2 mm |
| Aug | 33.0 °C | +1.1 °C | 5 mm | -1 mm |
| Sep | 29.0 °C | +0.8 °C | 18 mm | -5 mm |
| Oct | 26.0 °C | +2.6 °C | 7 mm | -30 mm |
| Nov | 19.9 °C | +1.6 °C | 11 mm | -34 mm |
| Dec | 14.2 °C | -0.5 °C | 68 mm | +19 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 Maghnia?
Maghnia has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.7 °C and it receives 429 mm of precipitation per year.
What is the hottest day ever recorded in Maghnia?
The hottest day measured in Maghnia between 1940 and 2025 was 10 July 2023, reaching 42.2 °C.
What is the coldest day in Maghnia?
The coldest day measured in Maghnia between 1940 and 2025 was 13 December 1967, at -8.3 °C.
Does it snow in Maghnia?
Yes. Maghnia gets on average 5.5 cm of snow per year and has around 9 frost days.
Has the climate of Maghnia warmed?
Yes: Maghnia warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Maghnia?
The wettest day measured in Maghnia between 1940 and 2025 was 17 November 1986, with 76 mm of rain in 24 hours.
What was the windiest day in Maghnia?
The windiest day measured in Maghnia between 1940 and 2025 was 5 November 1965, with winds reaching 37.9 km/h.
What is the warmest month in Maghnia?
The warmest month in Maghnia is August (24.7 °C on average); the coldest is January (8.1 °C).
How much does it rain in Maghnia?
Maghnia receives on average 429 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Maghnia?
Maghnia 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 Maghnia?
The heaviest 24-hour snowfall measured in Maghnia between 1940 and 2025 was 10 November 2001, with 40.6 cm.
Are there tropical nights in Maghnia?
Yes: Maghnia has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Maghnia?
In Maghnia, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 11 July 2021, and the lowest was -13.2 °C on 13 December 1967.
Compare Maghnia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Maghnia