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Al Ghayz̧ah, Yemen climate
BWh Hot desert
Al Ghayz̧ah has a remarkably steady tropical climate (Hot desert, Köppen BWh). The hottest month is June with an average daily high near 30°C, while the coldest is January averaging around 23°C at night. Precipitation totals about 93 mm a year and is strongly seasonal — October alone averages 20 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)Al Ghayz̧ah climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 27 | 29 | 30 | 30 | 28 | 27 | 27 | 28 | 28 | 26 |
| Avg temp (°C) | 24 | 24 | 26 | 28 | 29 | 29 | 27 | 26 | 26 | 27 | 27 | 25 |
| Avg low (°C) | 23 | 23 | 24 | 26 | 28 | 28 | 26 | 25 | 25 | 26 | 26 | 24 |
| Precipitation (mm) | 3 | 3 | 11 | 7 | 11 | 10 | 2 | 3 | 7 | 20 | 11 | 5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 25 | 25 | 27 | 29 | 30 | 30 |
| Avg temp (°C) | 24 | 24 | 26 | 28 | 29 | 29 |
| Avg low (°C) | 23 | 23 | 24 | 26 | 28 | 28 |
| Precipitation (mm) | 3 | 3 | 11 | 7 | 11 | 10 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 27 | 27 | 28 | 28 | 26 |
| Avg temp (°C) | 27 | 26 | 26 | 27 | 27 | 25 |
| Avg low (°C) | 26 | 25 | 25 | 26 | 26 | 24 |
| Precipitation (mm) | 2 | 3 | 7 | 20 | 11 | 5 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 1 | 2 | 0.1 | — | — | — | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 1 | 2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 0.1 | — | — | — | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 33 | 35 | 34 | 30 | 43 | 53 | 51 | 37 | 28 | 32 | 35 |
| Relative humidity (%) | 65 | 67 | 71 | 74 | 79 | 84 | 90 | 92 | 88 | 74 | 67 | 64 |
| Wind speed (m/s) | 3.6 | 3.2 | 3.0 | 3.0 | 3.3 | 3.8 | 3.9 | 3.4 | 2.9 | 2.8 | 3.3 | 3.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 36 | 33 | 35 | 34 | 30 | 43 |
| Relative humidity (%) | 65 | 67 | 71 | 74 | 79 | 84 |
| Wind speed (m/s) | 3.6 | 3.2 | 3.0 | 3.0 | 3.3 | 3.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 51 | 37 | 28 | 32 | 35 |
| Relative humidity (%) | 90 | 92 | 88 | 74 | 67 | 64 |
| Wind speed (m/s) | 3.9 | 3.4 | 2.9 | 2.8 | 3.3 | 3.8 |
Methodology & sources
Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.
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.