Chemini climate — normals and trends
Chemini (Algeria) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 15.0 °C and it receives 703 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 (25.2 °C on average) and the coldest is January (6.3 °C). Rainfall peaks in March.
Chemini averages 23 frost days, 73 hot days (≥ 30 °C) and 107 rainy days per year.
Chemini has warmed by +2.9 °C between 1940 and 2025, or +0.34 °C per decade. This trend is statistically significant.
The number of frost days there went from about 37 to 9 per year over the period.
The hottest day of the period reached 42.9 °C (on 12 August 2021) and the coldest -15.9 °C (on 30 December 1940).
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
CheminiBéjaia Province
- coords
- 36.60°, 4.62°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.0°C
Average daily high
21.3°C
Average daily low
9.3°C
Annual rainfall
703mm
Sunshine / day
10.6h
Mean relative humidity
72%
Average peak wind
9.5km/h
Seasonal range
18.9°C
Frost days (< 0 °C)
23 d/yr
Hot days (≥ 30 °C)
73 d/yr
Rainy days (≥ 1 mm)
107 d/yr
Annual snowfall
16.7 cm
Average feels-like high
21.1 °C
Average feels-like low
8.1 °C
Average peak gust
36.6 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
17.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.9 °C
since 1940
+0.3 °C per decade · r² = 0.67 · 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
42.9 °C
12 August 2021
Coldest day
-15.9 °C
30 December 1940
Wettest day
80 mm
5 October 1957
Windiest day
27.2 km/h
8 February 1996
Strongest gust
115.2 km/h
6 February 1996
Hottest feels-like
45.0 °C
12 August 2021
Coldest feels-like
-20.2 °C
30 December 1940
Snowiest day
22.4 cm
3 February 2012
Sunniest day
14.0 h
21 June 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 | 13.9 °C | +2.3 °C | 116 mm | +34 mm |
| Feb | 15.5 °C | +2.5 °C | 42 mm | -36 mm |
| Mar | 17.5 °C | +1.7 °C | 75 mm | -13 mm |
| Apr | 20.9 °C | +2.3 °C | 78 mm | -6 mm |
| May | 24.0 °C | +0.9 °C | 100 mm | +40 mm |
| Jun | 32.6 °C | +4.3 °C | 5 mm | -22 mm |
| Jul | 33.3 °C | +0.6 °C | 20 mm | +12 mm |
| Aug | 33.4 °C | +0.7 °C | 4 mm | -13 mm |
| Sep | 29.8 °C | +1.5 °C | 75 mm | +24 mm |
| Oct | 24.5 °C | +1.8 °C | 54 mm | -7 mm |
| Nov | 17.5 °C | +0.9 °C | 84 mm | +17 mm |
| Dec | 14.0 °C | +1.5 °C | 57 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 Chemini?
Chemini has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 15.0 °C and it receives 703 mm of precipitation per year.
What is the hottest day ever recorded in Chemini?
The hottest day measured in Chemini between 1940 and 2025 was 12 August 2021, reaching 42.9 °C.
What is the coldest day in Chemini?
The coldest day measured in Chemini between 1940 and 2025 was 30 December 1940, at -15.9 °C.
Does it snow in Chemini?
Yes. Chemini gets on average 16.7 cm of snow per year and has around 23 frost days.
Has the climate of Chemini warmed?
Yes: Chemini warmed by +2.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chemini?
The wettest day measured in Chemini between 1940 and 2025 was 5 October 1957, with 80 mm of rain in 24 hours.
What was the windiest day in Chemini?
The windiest day measured in Chemini between 1940 and 2025 was 8 February 1996, with winds reaching 27.2 km/h.
What is the warmest month in Chemini?
The warmest month in Chemini is July (25.2 °C on average); the coldest is January (6.3 °C).
How much does it rain in Chemini?
Chemini receives on average 703 mm of precipitation per year, spread over about 107 rainy days.
Is it sunny in Chemini?
Chemini 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 Chemini?
The heaviest 24-hour snowfall measured in Chemini between 1940 and 2025 was 3 February 2012, with 22.4 cm.
Are there tropical nights in Chemini?
Yes: Chemini has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chemini?
In Chemini, between 1940 and 2025, the highest apparent temperature reached 45.0 °C on 12 August 2021, and the lowest was -20.2 °C on 30 December 1940.
Compare Chemini with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chemini