Temperature
Cool by day, cold at night.
63°Ftypical Aug high
Stellenbosch is most comfortable in early local autumn. Local summers are warm and local winters are mild. The wetter months are roughly May to August. Humidity is usually low.

Cool by day, cold at night.
Frequent light showers across the month.
Plenty of sun this month.
Humidity is rarely noticeable.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Stellenbosch with Johannesburg.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology