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Weather & Climate in Edinburgh of the Seven Seas, Saint Helena
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Edinburgh of the Seven Seas experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 58°F in January while summers reach 48°F in July / relatively mild seasonal variation. The area gets 195 sunny days per year. Annual precipitation totals 77.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 33 feet.
Temperature
58°F Jan (14°C)
48°F Jul (9°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 58°F (14°C) |
| July Average | 48°F (9°C) |
| Sunny Days | 195 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Coordinates | -37.0676°N, 12.3116°W |
| Timezone | Atlantic/St_Helena |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Jul 29, 2004 | 27 km S of Edinburgh of the Seven Seas, Saint Helena | M4.8 | 27 km | 18 km |
| Sep 29, 2013 | 96 km ESE of Edinburgh of the Seven Seas, Saint Helena | M4.1 | 96 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tristan da Cunha (4 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tristan da Cunha | Shield | 2,060 m (6,759 ft) | 1962 | 4 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (14°C) | 5.5 in | |
| February | 58°F (15°C) | 5.3 in | Warmest, Driest |
| March | 57°F (14°C) | 6.5 in | |
| April | 55°F (13°C) | 6.7 in | |
| May | 52°F (11°C) | 6.9 in | |
| June | 49°F (10°C) | 6.9 in | |
| July | 48°F (9°C) | 6.2 in | |
| August | 48°F (9°C) | 6.9 in | |
| September | 48°F (9°C) | 7.1 in | Coldest, Wettest |
| October | 50°F (10°C) | 7.1 in | |
| November | 53°F (12°C) | 6.3 in | |
| December | 55°F (13°C) | 6.5 in |
Edinburgh of the Seven Seas has a seasonal temperature swing of 10°F / from 48°F in September to 58°F in February. Total annual precipitation is 77.8 inches, with September being the wettest month (7.1") and February the driest (5.3").