Climate averages 1991–2020
Atlantis weather
in August.
A mild, moderately wet month: the 11th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Atlantis: daytime highs average 16.2°C and nights cool to about 7.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 59 mm of rain on roughly 8 days, which makes August a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 53 min on an average August day.
The nearest other city in this atlas is Cape Town (40 km away). In August its highs average 16.5°C, about as warm as Atlantis, with 87 mm of rain.
Among the 95 cities listed in South Africa, Atlantis ranks 95th of 95 for the warmest August highs and 91st of 95 for the driest August (rainfall, lowest first). The mean August high of those 95 cities is 21.0°C; Atlantis is 4.8°C cooler than that mean.
From August to September, average highs rise by 1.8°C to 17.9°C, and monthly rainfall falls from 59 mm to 36 mm.
The annual picture
August 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
Atlantis climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C16.1°C | 16.1°C | 9.8 | 2.2 | 14.114 h |
| February | 27.1°C16.3°C | 16.3°C | 9.8 | 1.9 | 13.313 h |
| March | 25.6°C15.0°C | 15.0°C | 11 | 2.2 | 12.312 h |
| April | 22.6°C12.5°C | 12.5°C | 31 | 4.2 | 11.311 h |
| May | 19.4°C10.3°C | 10.3°C | 47 | 6.5 | 10.410 h |
| June | 16.5°C7.9°C | 7.9°C | 76 | 9.4 | 10.010 h |
| July | 16.1°C7.1°C | 7.1°C | 69 | 8.2 | 10.210 h |
| August, selected | 16.2°C7.5°C | 7.5°C | 59 | 8.4 | 10.911 h |
| September | 17.9°C9.0°C | 9.0°C | 36 | 6.3 | 11.912 h |
| October | 21.0°C11.2°C | 11.2°C | 23 | 4.1 | 12.913 h |
| November | 23.0°C12.8°C | 12.8°C | 21 | 4.0 | 13.814 h |
| December | 25.4°C14.9°C | 14.9°C | 12 | 2.9 | 14.314 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
August in nearby cities
- Cape Town in AugustSouth Africa · 40 kmHigh 16.5°C · Low 9.5°C · 87 mm rain
- Paarl in AugustSouth Africa · 49 kmHigh 17.8°C · Low 7.7°C · 110 mm rain
- Stellenbosch in AugustSouth Africa · 54 kmHigh 17.2°C · Low 8.0°C · 105 mm rain
- Somerset West in AugustSouth Africa · 65 kmHigh 17.4°C · Low 10.2°C · 105 mm rain
- Worcester, South Africa in AugustSouth Africa · 90 kmHigh 17.5°C · Low 8.6°C · 51 mm rain
- Oudtshoorn in AugustSouth Africa · 344 kmHigh 19.8°C · Low 6.1°C · 33 mm rain
- Mossel Bay in AugustSouth Africa · 345 kmHigh 18.5°C · Low 9.9°C · 47 mm rain
- George in AugustSouth Africa · 370 kmHigh 17.2°C · Low 9.2°C · 53 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 Atlantis) is explained once on the Atlantis year overview and on the Sources, method and limits page.