Temperature
Cool by day, brisk at night.
Cool days and plenty of sun.
Cool by day, brisk at night.
Several rainy days, with some sustained wet spells. About 11 wet days, the highest monthly average.
Plenty of sun this month.
In August, afternoons feel about 56° and nights feel near 46°.
Partly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 60°F, easing to about 56°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 78 | 64 | 0.8 | 4 | 13.4 | 70 |
| Feb | 78 | 64 | 0.6 | 3 | 12.5 | 70 |
| Mar | 75 | 62 | 1.0 | 4 | 11.4 | 72 |
| Apr | 71 | 58 | 1.9 | 5 | 10.0 | 74 |
| May | 67 | 54 | 3.6 | 9 | 8.8 | 78 |
| Jun | 63 | 51 | 5.2 | 11 | 8.4 | 79 |
| Jul | 62 | 49 | 4.7 | 10 | 8.7 | 79 |
| Aug | 62 | 50 | 4.4 | 11 | 9.2 | 79 |
| Sep | 64 | 52 | 2.6 | 8 | 10.3 | 77 |
| Oct | 69 | 55 | 1.5 | 6 | 11.9 | 74 |
| Nov | 71 | 58 | 1.6 | 6 | 12.5 | 71 |
| Dec | 75 | 62 | 1.0 | 4 | 13.3 | 70 |
Similar climates
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.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology