Home › Cities › Algeria › Aïn Defla
Aïn Defla, Algeria climate
Csa Hot-summer Mediterranean
Aïn Defla has a seasonal mild-temperate climate (Hot-summer Mediterranean, Köppen Csa). The hottest month is July with an average daily high near 95°F, while the coldest is January averaging around 43°F at night. Precipitation totals about 30 inches a year and is strongly seasonal — March alone averages 4.8 inches while July barely receives 0.17 inches.
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)Aïn Defla climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 55 | 56 | 62 | 67 | 76 | 86 | 95 | 94 | 85 | 76 | 63 | 56 |
| Avg temp (°F) | 49 | 50 | 55 | 59 | 67 | 76 | 83 | 83 | 75 | 68 | 57 | 51 |
| Avg low (°F) | 43 | 43 | 47 | 51 | 58 | 66 | 72 | 72 | 65 | 59 | 50 | 45 |
| Precipitation (in) | 4.3 | 4.3 | 4.8 | 2.7 | 1.9 | 0.5 | 0.2 | 0.3 | 1.1 | 2.0 | 3.9 | 4.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 55 | 56 | 62 | 67 | 76 | 86 |
| Avg temp (°F) | 49 | 50 | 55 | 59 | 67 | 76 |
| Avg low (°F) | 43 | 43 | 47 | 51 | 58 | 66 |
| Precipitation (in) | 4.3 | 4.3 | 4.8 | 2.7 | 1.9 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 95 | 94 | 85 | 76 | 63 | 56 |
| Avg temp (°F) | 83 | 83 | 75 | 68 | 57 | 51 |
| Avg low (°F) | 72 | 72 | 65 | 59 | 50 | 45 |
| Precipitation (in) | 0.2 | 0.3 | 1.1 | 2.0 | 3.9 | 4.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 10 | 9 | 9 | 6 | 2 | 1 | 2 | 5 | 6 | 11 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 2 | 9 | 19 | 19 | 7 | 2 | — | — |
| Days with low ≤ 32°F (days) | 0.4 | 0.6 | 0.2 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 10 | 9 | 9 | 6 | 2 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 2 | 9 |
| Days with low ≤ 32°F (days) | 0.4 | 0.6 | 0.2 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 1 | 2 | 5 | 6 | 11 | 10 |
| Days with high ≥ 90°F (days) | 19 | 19 | 7 | 2 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 51 | 50 | 51 | 47 | 35 | 27 | 28 | 40 | 45 | 52 | 53 |
| Relative humidity (%) | 76 | 75 | 73 | 70 | 66 | 60 | 54 | 56 | 63 | 67 | 73 | 76 |
| Wind speed (mph) | 6.5 | 6.6 | 6.4 | 6.2 | 5.5 | 5.2 | 5.2 | 5.3 | 5.7 | 5.7 | 6.6 | 6.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 51 | 50 | 51 | 47 | 35 |
| Relative humidity (%) | 76 | 75 | 73 | 70 | 66 | 60 |
| Wind speed (mph) | 6.5 | 6.6 | 6.4 | 6.2 | 5.5 | 5.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 27 | 28 | 40 | 45 | 52 | 53 |
| Relative humidity (%) | 54 | 56 | 63 | 67 | 73 | 76 |
| Wind speed (mph) | 5.2 | 5.3 | 5.7 | 5.7 | 6.6 | 6.5 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 25 years of daily observations at Miliana, a weather station, about 24 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.