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Weather & Climate in Rietvlei, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rietvlei enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 68°F in January while summers reach 53°F in July / relatively mild seasonal variation. The area gets 269 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 37.1 inches. The city sits at an elevation of 2,818 feet.
Temperature
68°F Jan (20°C)
53°F Jul (12°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 53°F (12°C) |
| Sunny Days | 269 days/yr |
Geography
| Elevation | 2,818 ft (859 m) |
| Area | 580.3 sq mi (1,502.8 km²) |
| Population Density | 5/sq mi |
| Coordinates | -30.5105°N, 29.8264°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Aug 18, 2016 | 10 km W of Qacha’s Nek, Lesotho | M4.5 | 128 km | 10 km |
| Jul 26, 1991 | 10 km NNW of Port Shepstone, South Africa | M3.8 | 60 km | 5 km |
| Jan 9, 1994 | 9 km SE of Howick, South Africa | M3.7 | 118 km | 5 km |
| Feb 6, 2016 | South Africa | M3.7 | 138 km | 15 km |
| Jan 27, 1994 | 52 km WSW of Kokstad, South Africa | M3.4 | 90 km | 5 km |
| Aug 21, 1990 | 27 km ESE of Qacha’s Nek, Lesotho | M3.1 | 91 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 5.5 in | Warmest, Wettest |
| February | 68°F (20°C) | 4.9 in | |
| March | 66°F (19°C) | 4.8 in | |
| April | 62°F (16°C) | 2.4 in | |
| May | 57°F (14°C) | 1.5 in | |
| June | 53°F (11°C) | 0.8 in | Coldest |
| July | 53°F (12°C) | 0.6 in | Driest |
| August | 55°F (13°C) | 1.0 in | |
| September | 59°F (15°C) | 2.0 in | |
| October | 61°F (16°C) | 3.4 in | |
| November | 64°F (18°C) | 4.9 in | |
| December | 66°F (19°C) | 5.3 in |
Rietvlei has a seasonal temperature swing of 15°F / from 53°F in June to 68°F in January. Total annual precipitation is 37.1 inches, with January being the wettest month (5.5") and July the driest (0.6").