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Chlef, Algeria climate
Csa Hot-summer Mediterranean
Chlef has a seasonal warm-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 38°C, while the coldest is January averaging around 7°C at night. Precipitation totals about 417 mm a year and is strongly seasonal — February alone averages 69 mm while July barely receives 2 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Chlef climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 17 | 21 | 24 | 29 | 34 | 38 | 38 | 33 | 28 | 21 | 17 |
| Avg temp (°C) | 11 | 12 | 15 | 17 | 22 | 26 | 30 | 30 | 26 | 22 | 16 | 12 |
| Avg low (°C) | 7 | 6 | 9 | 10 | 14 | 19 | 22 | 23 | 19 | 16 | 11 | 8 |
| Precipitation (mm) | 56 | 69 | 51 | 54 | 23 | 10 | 2 | 4 | 16 | 27 | 58 | 48 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 17 | 21 | 24 | 29 | 34 |
| Avg temp (°C) | 11 | 12 | 15 | 17 | 22 | 26 |
| Avg low (°C) | 7 | 6 | 9 | 10 | 14 | 19 |
| Precipitation (mm) | 56 | 69 | 51 | 54 | 23 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 38 | 38 | 33 | 28 | 21 | 17 |
| Avg temp (°C) | 30 | 30 | 26 | 22 | 16 | 12 |
| Avg low (°C) | 22 | 23 | 19 | 16 | 11 | 8 |
| Precipitation (mm) | 2 | 4 | 16 | 27 | 58 | 48 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 7 | 6 | 6 | 4 | 1 | 0.6 | 0.7 | 2 | 4 | 8 | 6 |
| Days with high ≥ 32°C (days) | — | — | 0.1 | 0.4 | 5 | 13 | 19 | 19 | 11 | 4 | 0.0 | — |
| Days with low ≤ 0°C (days) | 0.0 | 0.1 | 0.0 | — | — | — | — | — | — | — | — | 0.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 7 | 6 | 6 | 4 | 1 |
| Days with high ≥ 32°C (days) | — | — | 0.1 | 0.4 | 5 | 13 |
| Days with low ≤ 0°C (days) | 0.0 | 0.1 | 0.0 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.6 | 0.7 | 2 | 4 | 8 | 6 |
| Days with high ≥ 32°C (days) | 19 | 19 | 11 | 4 | 0.0 | — |
| Days with low ≤ 0°C (days) | — | — | — | — | — | 0.0 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 55 | 55 | 57 | 53 | 41 | 35 | 37 | 48 | 54 | 60 | 59 |
| Relative humidity (%) | 73 | 70 | 66 | 62 | 57 | 50 | 43 | 45 | 55 | 61 | 69 | 74 |
| Wind speed (km/h) | 9.4 | 9.6 | 9.8 | 10.0 | 9.6 | 9.5 | 9.1 | 9.0 | 9.0 | 8.5 | 9.6 | 9.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 55 | 55 | 57 | 53 | 41 |
| Relative humidity (%) | 73 | 70 | 66 | 62 | 57 | 50 |
| Wind speed (km/h) | 9.4 | 9.6 | 9.8 | 10.0 | 9.6 | 9.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 35 | 37 | 48 | 54 | 60 | 59 |
| Relative humidity (%) | 43 | 45 | 55 | 61 | 69 | 74 |
| Wind speed (km/h) | 9.1 | 9.0 | 9.0 | 8.5 | 9.6 | 9.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 19 years of daily observations at Ech Cheliff, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.