All Countries
Weather & Climate in Gariep Dam, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gariep Dam enjoys a temperate climate with an average annual temperature of 62°F (16°C). Winters average 75°F in January while summers reach 46°F in July / relatively mild seasonal variation. The area gets 307 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 15.9 inches (drier than the 38-inch national average). The city sits at an elevation of 4,724 feet.
Temperature
75°F Jan (24°C)
46°F Jul (8°C)
| Annual Average | 61.5°F |
| 14% above US avg | |
| January Average | 75°F (24°C) |
| July Average | 46°F (8°C) |
| Sunny Days | 307 days/yr |
Geography
| Elevation | 4,724 ft (1,440 m) |
| Area | 3,732.4 sq mi (9,667.0 km²) |
| Population Density | 1/sq mi |
| Coordinates | -30.6009°N, 25.4950°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Sep 15, 2017 | 58 km S of Bloemfontein, South Africa | M4.4 | 126 km | 5 km |
| Apr 17, 1993 | 52 km W of Mafeteng, Lesotho | M2.9 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 75°F (24°C) | 2.0 in | Warmest |
| February | 73°F (23°C) | 2.7 in | |
| March | 69°F (20°C) | 2.8 in | Wettest |
| April | 61°F (16°C) | 1.5 in | |
| May | 54°F (12°C) | 0.8 in | |
| June | 46°F (8°C) | 0.4 in | Driest |
| July | 46°F (8°C) | 0.4 in | Coldest |
| August | 51°F (10°C) | 0.7 in | |
| September | 58°F (15°C) | 0.6 in | |
| October | 64°F (18°C) | 1.3 in | |
| November | 69°F (20°C) | 1.2 in | |
| December | 73°F (23°C) | 1.5 in |
Gariep Dam has a seasonal temperature swing of 29°F / from 46°F in July to 75°F in January. Total annual precipitation is 15.9 inches, with March being the wettest month (2.8") and June the driest (0.4").