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Weather & Climate in Longwood, Saint Helena
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longwood has a warm climate with an average annual temperature of 71°F (22°C). Winters average 74°F in January while summers reach 69°F in July / relatively mild seasonal variation. The area gets 364 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 7.4 inches (drier than the 38-inch national average). The city sits at an elevation of 1,726 feet.
Temperature
74°F Jan (23°C)
69°F Jul (20°C)
| Annual Average | 71.1°F |
| 32% above US avg | |
| January Average | 74°F (23°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 364 days/yr |
Geography
| Elevation | 1,726 ft (526 m) |
| Area | 12.9 sq mi (33.4 km²) |
| Population Density | 59/sq mi |
| Coordinates | -15.9492°N, 5.6857°W |
| Timezone | Atlantic/St_Helena |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Sep 7, 2010 | 87 km NE of Jamestown, Saint Helena | M4.5 | 86 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.