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Weather & Climate in Charlestown, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Charlestown enjoys a temperate climate with an average annual temperature of 59°F (15°C). Winters average 67°F in January while summers reach 47°F in July / relatively mild seasonal variation. The area gets 280 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 30.6 inches. The city sits at an elevation of 5,443 feet.
Temperature
67°F Jan (19°C)
47°F Jul (9°C)
| Annual Average | 58.6°F |
| 9% above US avg | |
| January Average | 67°F (19°C) |
| July Average | 47°F (9°C) |
| Sunny Days | 280 days/yr |
Geography
| Elevation | 5,443 ft (1,659 m) |
| Area | 8.5 sq mi (22.0 km²) |
| Population Density | 620/sq mi |
| Coordinates | -27.4111°N, 29.8738°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Mar 13, 2022 | 14 km W of eMbalenhle, South Africa | M4.7 | 137 km | 5 km |
| Jul 12, 2002 | 14 km NNW of eMbalenhle, South Africa | M4.7 | 140 km | 5 km |
| May 27, 2012 | 14 km S of Piet Retief, South Africa | M4.4 | 98 km | 5 km |
| Jul 1, 2019 | 36 km W of Mhlambanyatsi, Eswatini | M3.7 | 133 km | 5 km |
| Oct 11, 1993 | 45 km ESE of Ekuvukeni, South Africa | M3.3 | 147 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 67°F (19°C) | 5.4 in | Warmest, Wettest |
| February | 66°F (19°C) | 4.4 in | |
| March | 64°F (18°C) | 3.2 in | |
| April | 59°F (15°C) | 1.6 in | |
| May | 53°F (11°C) | 0.7 in | |
| June | 48°F (9°C) | 0.3 in | Driest |
| July | 47°F (9°C) | 0.4 in | Coldest |
| August | 52°F (11°C) | 0.6 in | |
| September | 58°F (15°C) | 1.3 in | |
| October | 62°F (16°C) | 3.4 in | |
| November | 64°F (18°C) | 4.7 in | |
| December | 66°F (19°C) | 4.8 in |
Charlestown has a seasonal temperature swing of 19°F / from 47°F in July to 67°F in January. Total annual precipitation is 30.6 inches, with January being the wettest month (5.4") and June the driest (0.3").