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Arar, Saudi Arabia climate
BWh Hot desert
Arar has a seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is August with an average daily high near 43°C, while the coldest is January averaging around 3°C at night. Precipitation totals about 44 mm a year and is strongly seasonal — November alone averages 11 mm while June 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)Arar climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 19 | 24 | 30 | 36 | 40 | 42 | 43 | 39 | 33 | 23 | 18 |
| Avg temp (°C) | 10 | 12 | 17 | 22 | 28 | 32 | 34 | 34 | 31 | 25 | 17 | 11 |
| Avg low (°C) | 3 | 5 | 9 | 15 | 20 | 24 | 26 | 26 | 23 | 17 | 10 | 5 |
| Precipitation (mm) | 4 | 5 | 4 | 5 | 3 | 0 | 0 | 0 | 0 | 6 | 11 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 16 | 19 | 24 | 30 | 36 | 40 |
| Avg temp (°C) | 10 | 12 | 17 | 22 | 28 | 32 |
| Avg low (°C) | 3 | 5 | 9 | 15 | 20 | 24 |
| Precipitation (mm) | 4 | 5 | 4 | 5 | 3 | 0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 42 | 43 | 39 | 33 | 23 | 18 |
| Avg temp (°C) | 34 | 34 | 31 | 25 | 17 | 11 |
| Avg low (°C) | 26 | 26 | 23 | 17 | 10 | 5 |
| Precipitation (mm) | 0 | 0 | 0 | 6 | 11 | 5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 33 | 33 | 37 | 33 | 9 | 8 | 9 | 10 | 23 | 33 | 33 |
| Relative humidity (%) | 54 | 46 | 36 | 28 | 21 | 16 | 16 | 16 | 19 | 28 | 44 | 53 |
| Wind speed (mph) | 5.5 | 6.0 | 6.5 | 6.6 | 6.6 | 6.7 | 7.0 | 5.8 | 5.1 | 5.2 | 5.1 | 5.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 33 | 33 | 37 | 33 | 9 |
| Relative humidity (%) | 54 | 46 | 36 | 28 | 21 | 16 |
| Wind speed (mph) | 5.5 | 6.0 | 6.5 | 6.6 | 6.6 | 6.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 8 | 9 | 10 | 23 | 33 | 33 |
| Relative humidity (%) | 16 | 16 | 19 | 28 | 44 | 53 |
| Wind speed (mph) | 7.0 | 5.8 | 5.1 | 5.2 | 5.1 | 5.1 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Arar, a weather station, about 12 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.