Cape Town · South Africa · 1995–2024 averages
Cape Town weather, month by month. December is the pick.
Thirty years of averages for Cape Town, South Africa — how hot it really feels, when the rain arrives, and what the air is like. December comes out on top; June is the one to skip.
The year at a glance
Tap a month for its full breakdown.
December
bestscore 88.5/100Mild, sticky and dry, with moderate air.
- Feels like
- 25°
- mild
- Real temp
- 24°
- mild
- Humidity
- 70%
- sticky
- Rain
- 18mm
- dry
- Cloud cover
- 32%
- clear
- Air quality
- 68
- moderate
- Daylight
- 14.4h
- long days
Month by month, metric by metric
Each strip covers the same twelve months, so you can see where the rain lands and how the air shifts with it.
Feels like
peaks at 27° in January
Real temp
16–26° in the shade across the year
Humidity
70% at its driest, 81% at its most oppressive
Rain
94mm in June, 11mm in February
Cloud cover
24% at its clearest, 52% at its greyest
Air quality
worst in January, cleanest in July
Daylight
9.9h to 14.4h of daylight across the year
Cape Town's air, month by month
The air is at its worst in January at 82 AQI (moderate), and at its cleanest in July at 66 (moderate). The dirtiest months here are also the driest.
Every month in full
All twelve months, all seven measures.
| Month | Feels like | Real temp | Humidity | Rain | Cloud cover | Air quality | Daylight |
|---|---|---|---|---|---|---|---|
| January | 27° mild | 26° mild | 70% sticky | 13mm dry | 24% clear | 82 moderate | 14.1h long days |
| February | 27° mild | 26° mild | 71% sticky | 11mm dry | 24% clear | 71 moderate | 13.3h even |
| March | 25° mild | 24° mild | 73% sticky | 18mm dry | 33% clear | 75 moderate | 12.3h even |
| April | 21° mild | 22° mild | 76% sweaty | 34mm dryish | 41% bright | 79 moderate | 11.2h shortish |
| May | 18° cool | 19° cool | 80% sweaty | 60mm dryish | 52% bright | 82 moderate | 10.4h shortish |
| June | 15° cool | 17° cool | 81% sweaty | 94mm some rain | 50% bright | 75 moderate | 9.9h short |
| July | 15° cool | 16° cool | 80% sweaty | 89mm some rain | 45% bright | 66 moderate | 10.1h shortish |
| August | 15° cool | 17° cool | 80% sweaty | 82mm some rain | 47% bright | 75 moderate | 10.9h shortish |
| September | 17° cool | 18° cool | 77% sweaty | 45mm dryish | 49% bright | 73 moderate | 11.9h shortish |
| October | 20° cool | 21° mild | 73% sticky | 30mm dryish | 43% bright | 76 moderate | 12.9h even |
| November | 22° mild | 22° mild | 71% sticky | 27mm dryish | 40% bright | 70 moderate | 13.9h even |
| December | 25° mild | 24° mild | 70% sticky | 18mm dry | 32% clear | 68 moderate | 14.4h long days |
Cape Town weather questions
- What is the best time to visit Cape Town?
- December scores best across temperature, rain, humidity and air quality — 25° feels-like, 18mm of rain and 70% humidity. June is the month to avoid: 94mm of rain and 75 AQI.
- How hot does Cape Town get?
- January is the peak, at 27° feels-like (26° in the shade) — mild. Even in December it reaches 25°.
- When is the rainy season in Cape Town?
- June is the wettest month at 94mm, and February the driest at just 11mm.
- Is air quality a problem in Cape Town?
- January is the worst month at 82 AQI (moderate), and July the best at 66 (moderate).
Weather normals from Open-Meteo (ERA5 reanalysis, 1995–2024) and CAMS air quality (2015–2024), licensed CC-BY-4.0. Contains modified Copernicus Climate Change Service information. These are long-run averages, not forecasts — any given year will differ.
Going in December? You won't be the only one.
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