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Weather & Climate in Swellendam, South Africa
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Swellendam enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 74°F in January while summers reach 55°F in July / relatively mild seasonal variation. The area gets 308 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 15.2 inches (drier than the 38-inch national average). The city sits at an elevation of 420 feet.
Temperature
74°F Jan (24°C)
55°F Jul (13°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 74°F (24°C) |
| July Average | 55°F (13°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 420 ft (128 m) |
| Area | 2,417.5 sq mi (6,261.3 km²) |
| Population Density | 9/sq mi |
| Coordinates | -34.0226°N, 20.4417°W |
| Timezone | Africa/Johannesburg |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 74°F (24°C) | 0.8 in | Driest |
| February | 75°F (24°C) | 1.0 in | Warmest |
| March | 72°F (22°C) | 1.0 in | |
| April | 66°F (19°C) | 1.7 in | Wettest |
| May | 61°F (16°C) | 1.5 in | |
| June | 56°F (14°C) | 1.6 in | |
| July | 55°F (13°C) | 1.6 in | Coldest |
| August | 57°F (14°C) | 1.7 in | |
| September | 60°F (15°C) | 1.1 in | |
| October | 64°F (18°C) | 1.2 in | |
| November | 69°F (20°C) | 1.0 in | |
| December | 72°F (22°C) | 0.9 in |
Swellendam has a seasonal temperature swing of 20°F / from 55°F in July to 75°F in February. Total annual precipitation is 15.2 inches, with April being the wettest month (1.7") and January the driest (0.8").