Climate averages 1991–2020
Cape Town weather
in March.
A warm, fairly dry month: the 3rd warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a warm month in Cape Town: daytime highs average 24.6°C and nights cool to about 16.5°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 16 mm of rain on roughly 3 days, which makes March a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average March day.
The nearest other city in this atlas is Atlantis (40 km away). In March its highs average 25.6°C, 1.0°C warmer than Cape Town, with 11 mm of rain.
Among the 95 cities listed in South Africa, Cape Town ranks 62nd of 95 for the warmest March highs and 2nd of 95 for the driest March (rainfall, lowest first). The mean March high of those 95 cities is 25.6°C; Cape Town is 1.0°C cooler than that mean.
From March to April, average highs fall by 2.6°C to 22.0°C, and monthly rainfall rises from 16 mm to 43 mm.
The annual picture
March in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cape Town climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 25.6°C17.5°C | 17.5°C | 15 | 2.8 | 14.114 h |
| February | 25.9°C17.7°C | 17.7°C | 14 | 3.0 | 13.313 h |
| March, selected | 24.6°C16.5°C | 16.5°C | 16 | 3.3 | 12.312 h |
| April | 22.0°C14.2°C | 14.2°C | 43 | 5.2 | 11.311 h |
| May | 19.3°C12.1°C | 12.1°C | 67 | 8.4 | 10.410 h |
| June | 16.9°C10.0°C | 10.0°C | 108 | 11.1 | 9.910 h |
| July | 16.4°C9.3°C | 9.3°C | 98 | 9.9 | 10.110 h |
| August | 16.5°C9.5°C | 9.5°C | 87 | 10.3 | 10.911 h |
| September | 17.9°C10.8°C | 10.8°C | 51 | 8.2 | 11.912 h |
| October | 20.4°C12.8°C | 12.8°C | 33 | 5.8 | 12.913 h |
| November | 22.1°C14.4°C | 14.4°C | 30 | 5.1 | 13.914 h |
| December | 24.3°C16.4°C | 16.4°C | 17 | 3.6 | 14.414 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
March in nearby cities
- Atlantis in MarchSouth Africa · 40 kmHigh 25.6°C · Low 15.0°C · 11 mm rain
- Somerset West in MarchSouth Africa · 41 kmHigh 26.2°C · Low 17.8°C · 21 mm rain
- Stellenbosch in MarchSouth Africa · 41 kmHigh 27.6°C · Low 16.4°C · 21 mm rain
- Paarl in MarchSouth Africa · 55 kmHigh 29.3°C · Low 16.7°C · 21 mm rain
- Worcester, South Africa in MarchSouth Africa · 100 kmHigh 29.0°C · Low 16.7°C · 28 mm rain
- Mossel Bay in MarchSouth Africa · 344 kmHigh 23.7°C · Low 17.1°C · 41 mm rain
- Oudtshoorn in MarchSouth Africa · 351 kmHigh 28.1°C · Low 14.9°C · 38 mm rain
- George in MarchSouth Africa · 373 kmHigh 22.7°C · Low 15.8°C · 54 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cape Town) is explained once on the Cape Town year overview and on the Sources, method and limits page.