’Aïn el Melh climate — normals and trends
’Aïn el Melh (Algeria) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 16.7 °C and it receives 225 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 (28.8 °C on average) and the coldest is January (6.6 °C). Rainfall peaks in September.
’Aïn el Melh averages 13 frost days, 95 hot days (≥ 30 °C) and 49 rainy days per year.
’Aïn el Melh has warmed by +2.9 °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 23 to 3 per year over the period.
The hottest day of the period reached 43.9 °C (on 14 July 2024) and the coldest -6.2 °C (on 7 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
’Aïn el MelhM'Sila Province
- coords
- 34.84°, 4.16°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.7°C
Average daily high
22.3°C
Average daily low
11.4°C
Annual rainfall
225mm
Sunshine / day
10.9h
Mean relative humidity
51%
Average peak wind
18.2km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
13 d/yr
Hot days (≥ 30 °C)
95 d/yr
Rainy days (≥ 1 mm)
49 d/yr
Annual snowfall
3.8 cm
Average feels-like high
19.9 °C
Average feels-like low
8.7 °C
Average peak gust
38.3 km/h
Tropical nights (≥ 20 °C)
66 d/yr
Solar radiation
19.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.4 °C per decade · r² = 0.68 · 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
43.9 °C
14 July 2024
Coldest day
-6.2 °C
7 January 1941
Wettest day
91 mm
8 September 2015
Windiest day
53.4 km/h
12 January 1960
Strongest gust
110.2 km/h
5 March 2009
Hottest feels-like
43.0 °C
10 July 2023
Coldest feels-like
-12.0 °C
2 February 1954
Snowiest day
19.2 cm
5 January 1965
Sunniest day
13.9 h
8 July 2025
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 | 13.1 °C | +1.6 °C | 25 mm | +6 mm |
| Feb | 15.3 °C | +1.9 °C | 4 mm | -12 mm |
| Mar | 18.3 °C | +1.5 °C | 16 mm | -7 mm |
| Apr | 22.4 °C | +2.0 °C | 33 mm | +9 mm |
| May | 27.1 °C | +1.6 °C | 40 mm | +17 mm |
| Jun | 34.6 °C | +3.4 °C | 3 mm | -9 mm |
| Jul | 36.5 °C | +1.5 °C | 9 mm | +4 mm |
| Aug | 35.2 °C | +1.1 °C | 8 mm | -3 mm |
| Sep | 30.4 °C | +1.8 °C | 25 mm | -1 mm |
| Oct | 24.5 °C | +2.1 °C | 15 mm | -11 mm |
| Nov | 17.6 °C | +1.3 °C | 2 mm | -17 mm |
| Dec | 12.5 °C | +0.3 °C | 43 mm | +26 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 ’Aïn el Melh?
’Aïn el Melh has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 16.7 °C and it receives 225 mm of precipitation per year.
What is the hottest day ever recorded in ’Aïn el Melh?
The hottest day measured in ’Aïn el Melh between 1940 and 2025 was 14 July 2024, reaching 43.9 °C.
What is the coldest day in ’Aïn el Melh?
The coldest day measured in ’Aïn el Melh between 1940 and 2025 was 7 January 1941, at -6.2 °C.
Does it snow in ’Aïn el Melh?
Yes. ’Aïn el Melh gets on average 3.8 cm of snow per year and has around 13 frost days.
Has the climate of ’Aïn el Melh warmed?
Yes: ’Aïn el Melh warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in ’Aïn el Melh?
The wettest day measured in ’Aïn el Melh between 1940 and 2025 was 8 September 2015, with 91 mm of rain in 24 hours.
What was the windiest day in ’Aïn el Melh?
The windiest day measured in ’Aïn el Melh between 1940 and 2025 was 12 January 1960, with winds reaching 53.4 km/h.
What is the warmest month in ’Aïn el Melh?
The warmest month in ’Aïn el Melh is July (28.8 °C on average); the coldest is January (6.6 °C).
How much does it rain in ’Aïn el Melh?
’Aïn el Melh receives on average 225 mm of precipitation per year, spread over about 49 rainy days.
Is it sunny in ’Aïn el Melh?
’Aïn el Melh gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in ’Aïn el Melh?
The heaviest 24-hour snowfall measured in ’Aïn el Melh between 1940 and 2025 was 5 January 1965, with 19.2 cm.
Are there tropical nights in ’Aïn el Melh?
Yes: ’Aïn el Melh has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in ’Aïn el Melh?
In ’Aïn el Melh, between 1940 and 2025, the highest apparent temperature reached 43.0 °C on 10 July 2023, and the lowest was -12.0 °C on 2 February 1954.
Compare ’Aïn el Melh with another city
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Nearby cities
The climate around ’Aïn el Melh