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Weather & Climate in Stilbaai, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Stilbaai enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 70°F in January while summers reach 56°F in July / relatively mild seasonal variation. The area gets 304 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 17.9 inches (drier than the 38-inch national average). The city sits at an elevation of 118 feet.
Temperature
70°F Jan (21°C)
56°F Jul (13°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 56°F (13°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 118 ft (36 m) |
| Area | 2,186.0 sq mi (5,661.6 km²) |
| Population Density | 4/sq mi |
| Coordinates | -34.3693°N, 21.4075°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Oct 18, 2016 | 29 km E of Prince Albert, South Africa | M4.5 | 149 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 70°F (21°C) | 1.0 in | Driest |
| February | 70°F (21°C) | 1.3 in | Warmest |
| March | 68°F (20°C) | 1.3 in | |
| April | 65°F (18°C) | 2.0 in | Wettest |
| May | 60°F (16°C) | 1.4 in | |
| June | 57°F (14°C) | 1.5 in | |
| July | 56°F (13°C) | 1.5 in | Coldest |
| August | 56°F (14°C) | 1.8 in | |
| September | 58°F (15°C) | 1.3 in | |
| October | 62°F (17°C) | 1.9 in | |
| November | 65°F (18°C) | 1.6 in | |
| December | 68°F (20°C) | 1.3 in |
Stilbaai has a seasonal temperature swing of 15°F / from 56°F in July to 70°F in February. Total annual precipitation is 17.9 inches, with April being the wettest month (2.0") and January the driest (1.0").