Climate almanac
Clanwilliam
Western Cape, South Africa · -32.18°, 18.89°
What is the climate like in Clanwilliam?
The best time to visit Clanwilliam is typically September – May, with trip comfort peaking in February (9.5/10). Clanwilliam is warmest in February, when daily highs average 88°F (31°C), and coolest in July, when lows fall to about 42°F (5°C). The wettest month is typically June and the driest is February; the year sees roughly 14 in (356 mm) of precipitation.
- Best time to visitSeptember – May — comfort peaks in February (9.5/10)
- Warmest monthFebruary — average high 88°F (31°C)
- Coolest monthJuly — average low 42°F (5°C)
- Wettest monthJune (3.3 in (84 mm))
- Driest monthFebruary (0.2 in (5 mm))
- Annual precipitation14 in (356 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)