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Weather & Climate in ‘Usaylān, Yemen
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
‘Usaylān has a warm climate with an average annual temperature of 77°F (25°C). Winters average 67°F in January while summers reach 87°F in July. The area gets 363 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 2.8 inches (drier than the 38-inch national average). The city sits at an elevation of 3,399 feet.
Temperature
67°F Jan (20°C)
87°F Jul (30°C)
| Annual Average | 77.0°F |
| 43% above US avg | |
| January Average | 67°F (20°C) |
| July Average | 87°F (30°C) |
| Sunny Days | 363 days/yr |
Geography
| Elevation | 3,399 ft (1,036 m) |
| Area | 307.0 sq mi (795.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 15.0320°N, 45.8283°W |
| Timezone | Asia/Aden |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| May 24, 2016 | 28 km WNW of Al Bayda, Yemen | M4.9 | 118 km | 10 km |
| Mar 18, 2015 | 18 km NNE of Jawf al Maqb?bah, Yemen | M4.4 | 118 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
4 volcanoes within 200 km. Closest: Haylan, Jabal (88 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Haylan, Jabal | Volcanic field | 1,550 m (5,085 ft) | -1200 | 88 km |
| Dhamar, Harras of | Volcanic field | 3,500 m (11,483 ft) | 1937 | 135 km |
| Sawad, Harra Es- | Volcanic field | 1,737 m (5,699 ft) | 1253 | 165 km |
| Arhab, Harra of | Volcanic field | 3,100 m (10,171 ft) | 500 | 199 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (20°C) | 0.2 in | |
| February | 71°F (22°C) | 0.3 in | |
| March | 74°F (23°C) | 0.8 in | |
| April | 79°F (26°C) | 1.0 in | Wettest |
| May | 83°F (28°C) | 0.7 in | |
| June | 86°F (30°C) | 0.3 in | |
| July | 87°F (30°C) | 0.6 in | Warmest |
| August | 86°F (30°C) | 1.0 in | |
| September | 83°F (28°C) | 0.5 in | |
| October | 76°F (25°C) | 0.1 in | Driest |
| November | 70°F (21°C) | 0.1 in | |
| December | 66°F (19°C) | 0.1 in | Coldest |
‘Usaylān has a seasonal temperature swing of 21°F / from 66°F in December to 87°F in July. Total annual precipitation is 5.7 inches, with April being the wettest month (1.0") and October the driest (0.1").