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Al Bayda, Yemen climate
BWh Hot desert
Al Bayda has a mildly seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is June with an average daily high near 34°C, while the coldest is December averaging around 10°C at night. Precipitation totals about 310 mm a year and is strongly seasonal — August alone averages 77 mm while December 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 Bayda climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 28 | 29 | 30 | 32 | 34 | 33 | 32 | 32 | 30 | 28 | 26 |
| Avg temp (°C) | 18 | 20 | 21 | 23 | 25 | 27 | 27 | 27 | 25 | 22 | 20 | 18 |
| Avg low (°C) | 10 | 12 | 14 | 16 | 18 | 21 | 21 | 21 | 19 | 15 | 12 | 10 |
| Precipitation (mm) | 7 | 10 | 21 | 29 | 29 | 30 | 62 | 77 | 33 | 7 | 4 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 28 | 29 | 30 | 32 | 34 |
| Avg temp (°C) | 18 | 20 | 21 | 23 | 25 | 27 |
| Avg low (°C) | 10 | 12 | 14 | 16 | 18 | 21 |
| Precipitation (mm) | 7 | 10 | 21 | 29 | 29 | 30 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 33 | 32 | 32 | 30 | 28 | 26 |
| Avg temp (°C) | 27 | 27 | 25 | 22 | 20 | 18 |
| Avg low (°C) | 21 | 21 | 19 | 15 | 12 | 10 |
| Precipitation (mm) | 62 | 77 | 33 | 7 | 4 | 2 |
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 | 0.1 | 3 | 17 | 25 | 21 | 18 | 15 | 0.9 | — | — |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | — | 0.1 | 0.1 | 3 | 17 | 25 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with high ≥ 32°C (days) | 21 | 18 | 15 | 0.9 | — | — |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 15 | 16 | 27 | 35 | 33 | 41 | 58 | 57 | 38 | 19 | 14 | 12 |
| Relative humidity (%) | 52 | 49 | 46 | 46 | 43 | 35 | 40 | 46 | 41 | 41 | 46 | 49 |
| Wind speed (mph) | 5.5 | 5.9 | 6.2 | 6.1 | 5.5 | 5.0 | 4.9 | 5.3 | 4.9 | 5.3 | 5.5 | 5.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 15 | 16 | 27 | 35 | 33 | 41 |
| Relative humidity (%) | 52 | 49 | 46 | 46 | 43 | 35 |
| Wind speed (mph) | 5.5 | 5.9 | 6.2 | 6.1 | 5.5 | 5.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 57 | 38 | 19 | 14 | 12 |
| Relative humidity (%) | 40 | 46 | 41 | 41 | 46 | 49 |
| Wind speed (mph) | 4.9 | 5.3 | 4.9 | 5.3 | 5.5 | 5.4 |
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.