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Aleppo, Syria climate
BSk Cold semi-arid
Aleppo has a seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 37°C, while the coldest is January averaging around 2°C at night. Precipitation totals about 212 mm a year and is strongly seasonal — November alone averages 38 mm while August barely receives 0 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)Aleppo climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 13 | 17 | 23 | 29 | 34 | 37 | 37 | 33 | 27 | 18 | 12 |
| Avg temp (°C) | 6 | 8 | 11 | 16 | 22 | 27 | 30 | 30 | 26 | 21 | 13 | 8 |
| Avg low (°C) | 2 | 3 | 5 | 10 | 14 | 19 | 22 | 22 | 19 | 14 | 7 | 3 |
| Precipitation (mm) | 35 | 31 | 23 | 31 | 11 | 1 | 0 | 0 | 3 | 12 | 38 | 26 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 11 | 13 | 17 | 23 | 29 | 34 |
| Avg temp (°C) | 6 | 8 | 11 | 16 | 22 | 27 |
| Avg low (°C) | 2 | 3 | 5 | 10 | 14 | 19 |
| Precipitation (mm) | 35 | 31 | 23 | 31 | 11 | 1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 37 | 37 | 33 | 27 | 18 | 12 |
| Avg temp (°C) | 30 | 30 | 26 | 21 | 13 | 8 |
| Avg low (°C) | 22 | 22 | 19 | 14 | 7 | 3 |
| Precipitation (mm) | 0 | 0 | 3 | 12 | 38 | 26 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 54 | 53 | 40 | 18 | 12 | 14 | 19 | 38 | 48 | 57 |
| Relative humidity (%) | 77 | 74 | 69 | 64 | 57 | 47 | 44 | 47 | 47 | 50 | 62 | 74 |
| Wind speed (km/h) | 9.1 | 8.8 | 8.7 | 9.0 | 9.6 | 13.4 | 16.4 | 14.9 | 10.9 | 8.1 | 8.4 | 9.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 58 | 54 | 53 | 40 | 18 |
| Relative humidity (%) | 77 | 74 | 69 | 64 | 57 | 47 |
| Wind speed (km/h) | 9.1 | 8.8 | 8.7 | 9.0 | 9.6 | 13.4 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 12 | 14 | 19 | 38 | 48 | 57 |
| Relative humidity (%) | 44 | 47 | 47 | 50 | 62 | 74 |
| Wind speed (km/h) | 16.4 | 14.9 | 10.9 | 8.1 | 8.4 | 9.2 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 22 years of daily observations at Aleppo Intl, a weather station, about 6 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.