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Şalālah, Oman climate
BWh Hot desert
Şalālah has a mildly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is May with an average daily high near 91°F, while the coldest is January averaging around 66°F at night. Precipitation totals about 6 inches a year and is strongly seasonal — July alone averages 1.6 inches while November barely receives 0.00 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)Şalālah climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 86 | 89 | 91 | 90 | 83 | 81 | 85 | 88 | 88 | 85 |
| Avg temp (°F) | 74 | 75 | 79 | 83 | 86 | 86 | 80 | 78 | 80 | 81 | 80 | 77 |
| Avg low (°F) | 66 | 67 | 71 | 76 | 81 | 81 | 77 | 75 | 76 | 73 | 72 | 69 |
| Precipitation (in) | 0.0 | 0.6 | 0.5 | 0.1 | 0.2 | 0.5 | 1.6 | 1.2 | 0.9 | 0.3 | 0.0 | 0.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 82 | 83 | 86 | 89 | 91 | 90 |
| Avg temp (°F) | 74 | 75 | 79 | 83 | 86 | 86 |
| Avg low (°F) | 66 | 67 | 71 | 76 | 81 | 81 |
| Precipitation (in) | 0.0 | 0.6 | 0.5 | 0.1 | 0.2 | 0.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 81 | 85 | 88 | 88 | 85 |
| Avg temp (°F) | 80 | 78 | 80 | 81 | 80 | 77 |
| Avg low (°F) | 77 | 75 | 76 | 73 | 72 | 69 |
| Precipitation (in) | 1.6 | 1.2 | 0.9 | 0.3 | 0.0 | 0.4 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.3 | 0.3 | 1 | 0.7 | 1 | 4 | 16 | 18 | 4 | 0.8 | 0.4 | 0.6 |
| Days with high ≥ 90°F (days) | 0.2 | 1 | 5 | 9 | 21 | 14 | 0.7 | 0.1 | 0.1 | 5 | 7 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.3 | 0.3 | 1 | 0.7 | 1 | 4 |
| Days with high ≥ 90°F (days) | 0.2 | 1 | 5 | 9 | 21 | 14 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 16 | 18 | 4 | 0.8 | 0.4 | 0.6 |
| Days with high ≥ 90°F (days) | 0.7 | 0.1 | 0.1 | 5 | 7 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 33 | 35 | 32 | 27 | 43 | 51 | 45 | 32 | 28 | 32 | 34 |
| Relative humidity (%) | 59 | 60 | 62 | 66 | 72 | 80 | 87 | 88 | 83 | 65 | 59 | 58 |
| Wind speed (mph) | 8.3 | 7.6 | 6.7 | 6.7 | 8.0 | 10.5 | 12.8 | 11.5 | 7.9 | 5.7 | 7.2 | 8.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 34 | 33 | 35 | 32 | 27 | 43 |
| Relative humidity (%) | 59 | 60 | 62 | 66 | 72 | 80 |
| Wind speed (mph) | 8.3 | 7.6 | 6.7 | 6.7 | 8.0 | 10.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 51 | 45 | 32 | 28 | 32 | 34 |
| Relative humidity (%) | 87 | 88 | 83 | 65 | 59 | 58 |
| Wind speed (mph) | 12.8 | 11.5 | 7.9 | 5.7 | 7.2 | 8.8 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 26 years of daily observations at Salalah, a weather station, about 3 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.