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Weather & Climate in Thembalethu, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thembalethu has a warm climate with an average annual temperature of 72°F (22°C). Winters average 80°F in January while summers reach 63°F in July / relatively mild seasonal variation. The area gets 306 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 30.7 inches. The city sits at an elevation of 400 feet.
Temperature
80°F Jan (26°C)
63°F Jul (17°C)
| Annual Average | 72.1°F |
| 34% above US avg | |
| January Average | 80°F (26°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 400 ft (122 m) |
| Area | 1,509.0 sq mi (3,908.4 km²) |
| Population Density | 1/sq mi |
| Coordinates | -27.6175°N, 32.0279°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| May 27, 2012 | 14 km S of Piet Retief, South Africa | M4.4 | 131 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2001 | Unnamed | Category 1 | 52 mph | 288 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 80°F (26°C) | 4.5 in | Warmest, Wettest |
| February | 76°F (25°C) | 4.1 in | |
| March | 75°F (24°C) | 3.2 in | |
| April | 71°F (22°C) | 1.9 in | |
| May | 67°F (19°C) | 1.1 in | |
| June | 63°F (17°C) | 0.6 in | Coldest |
| July | 63°F (17°C) | 0.6 in | Driest |
| August | 65°F (18°C) | 0.9 in | |
| September | 68°F (20°C) | 1.9 in | |
| October | 70°F (21°C) | 2.8 in | |
| November | 72°F (22°C) | 3.7 in | |
| December | 75°F (24°C) | 3.3 in |
Thembalethu has a seasonal temperature swing of 17°F / from 63°F in June to 80°F in January. Total annual precipitation is 28.6 inches, with January being the wettest month (4.5") and July the driest (0.6").