Climate & Weather in South Africa
South Africa offers pleasant weather year-round in most regions, with seasons reversed from the Northern Hemisphere.
Seasonal Overview
Remember: Seasons are opposite to Northern Hemisphere
- Summer: December to February
- Autumn: March to May
- Winter: June to August
- Spring: September to November
Climate by Region
Cape Town (Mediterranean):
| Season | Temperature | Conditions |
|---|---|---|
| Summer (Dec-Feb) | 25-35°C (77-95°F) | Hot, dry, windy |
| Autumn (Mar-May) | 18-25°C (64-77°F) | Pleasant, less wind |
| Winter (Jun-Aug) | 10-18°C (50-64°F) | Cool, rainy |
| Spring (Sep-Nov) | 15-22°C (59-72°F) | Warming, wildflowers |
Cape Town notes:
- Infamous "Cape Doctor" - strong summer wind
- Winter is rainy season
- Very little humidity
- Best weather: February-April
Johannesburg (Subtropical Highland):
| Season | Temperature | Conditions |
|---|---|---|
| Summer (Dec-Feb) | 25-30°C (77-86°F) | Hot, afternoon thunderstorms |
| Autumn (Mar-May) | 15-25°C (59-77°F) | Pleasant, dry |
| Winter (Jun-Aug) | 5-18°C (41-64°F) | Cold nights, sunny days |
| Spring (Sep-Nov) | 18-28°C (64-82°F) | Warming, some rain |
Johannesburg notes:
- 1,750m altitude - cooler than expected
- Summer afternoon thunderstorms (often violent)
- Dry, crisp winters
- Frost possible in winter
Durban (Humid Subtropical):
- Warm year-round
- High humidity
- Summer rainfall
- Good beach weather most of year
What to Expect
Sunshine:
- South Africa averages 8.5 hours of sunshine daily
- More sunny days than most of Europe
- UV levels are HIGH - sunscreen essential
Rainfall:
- Western Cape: Winter rainfall (May-August)
- Rest of country: Summer rainfall (October-March)
- Cape Town can have drought conditions
Climate Considerations for Expats
Housing:
- Air conditioning not essential in Cape Town
- Heating useful in Johannesburg winter
- Swimming pools popular (summer use)
- Solar panels highly effective (abundant sunshine)
Lifestyle:
- Outdoor lifestyle year-round
- Braai (BBQ) culture suits the climate
- Beach season: November-April (Cape Town)
- Hiking: Year-round with seasonal adjustments
Unique Weather Events
Cape Town:
- Strong southeaster wind (summer)
- Winter cold fronts with heavy rain
- Occasional flooding in low-lying areas
Johannesburg:
- Dramatic summer thunderstorms
- Hail possible (can damage cars)
- Fog in autumn mornings
Pro Tips
- •Seasons are reversed - December is peak summer
- •Cape Town winter (Jun-Aug) is rainy - bring layers and rain gear
- •UV levels are extremely high - sunscreen is essential year-round
- •Johannesburg nights can be surprisingly cold in winter
- •Cape Town's famous wind can be intense in summer - check forecasts
Have questions about climate & weather in South Africa?