All Countries
Weather & Climate in Georgetown, Saint Helena
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Georgetown enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 71°F in January while summers reach 66°F in July / relatively mild seasonal variation. The area gets 323 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 66 feet.
Temperature
71°F Jan (22°C)
66°F Jul (19°C)
| Annual Average | 68.8°F |
| 27% above US avg | |
| January Average | 71°F (22°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 820.7 sq mi (2,125.6 km²) |
| Population Density | 6/sq mi |
| Coordinates | -7.9286°N, 14.4119°W |
| Timezone | Atlantic/St_Helena |
Precipitation & Snow
Air Quality
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Jul 12, 2001 | 126 km ENE of Georgetown, Saint Helena | M5.7 | 127 km | 10 km |
| Jun 11, 2022 | 87 km E of Georgetown, Saint Helena | M5.6 | 88 km | 10 km |
| Sep 21, 1992 | 92 km E of Georgetown, Saint Helena | M5.6 | 92 km | 10 km |
| Jun 10, 2016 | 103 km ENE of Georgetown, Saint Helena | M5.5 | 104 km | 10 km |
| Feb 18, 2015 | 107 km ENE of Georgetown, Saint Helena | M5.4 | 107 km | 10 km |
| Jun 16, 2000 | 103 km E of Georgetown, Saint Helena | M5.4 | 103 km | 10 km |
| Jun 16, 2000 | 112 km E of Georgetown, Saint Helena | M5.4 | 112 km | 10 km |
| Jul 9, 2011 | 103 km E of Georgetown, Saint Helena | M5.3 | 104 km | 10 km |
| Jun 6, 2020 | 93 km ENE of Georgetown, Saint Helena | M5.3 | 94 km | 10 km |
| Mar 12, 1992 | 86 km E of Georgetown, Saint Helena | M5.3 | 86 km | 10 km |
| Jun 13, 2022 | Ascension Island region | M5.2 | 92 km | 10 km |
| May 5, 2004 | 117 km ENE of Georgetown, Saint Helena | M5.2 | 118 km | 9 km |
| Jul 21, 2005 | 103 km ESE of Georgetown, Saint Helena | M5.2 | 104 km | 10 km |
| Jul 10, 2017 | 94 km ENE of Georgetown, Saint Helena | M5.2 | 94 km | 10 km |
| Jul 9, 2011 | 91 km E of Georgetown, Saint Helena | M5.2 | 91 km | 7 km |
| Jun 11, 2022 | 81 km E of Georgetown, Saint Helena | M5.2 | 81 km | 10 km |
| Oct 21, 2000 | 115 km ENE of Georgetown, Saint Helena | M5.1 | 116 km | 10 km |
| May 14, 2001 | 127 km ENE of Georgetown, Saint Helena | M5.1 | 128 km | 10 km |
| Jun 12, 2022 | 91 km ENE of Georgetown, Saint Helena | M5.0 | 92 km | 10 km |
| Jun 11, 2022 | 94 km ENE of Georgetown, Saint Helena | M5.0 | 95 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Ascension (5 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Ascension | Stratovolcano | 858 m (2,815 ft) | 1508 | 5 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 71°F (22°C) | 0.4 in | |
| February | 72°F (22°C) | 0.4 in | Warmest |
| March | 72°F (22°C) | 0.9 in | |
| April | 71°F (22°C) | 1.5 in | Wettest |
| May | 69°F (21°C) | 0.7 in | |
| June | 67°F (19°C) | 0.8 in | |
| July | 66°F (19°C) | 0.6 in | Coldest |
| August | 66°F (19°C) | 0.6 in | |
| September | 66°F (19°C) | 0.5 in | |
| October | 67°F (20°C) | 0.4 in | |
| November | 68°F (20°C) | 0.3 in | Driest |
| December | 70°F (21°C) | 0.4 in |
Georgetown has a seasonal temperature swing of 7°F / from 66°F in July to 72°F in February. Total annual precipitation is 7.4 inches, with April being the wettest month (1.5") and November the driest (0.3").