Climate averages 1991–2020
Mossel Bay weather
in August.
A mild, moderately wet month: the 11th warmest and the 11th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a mild month in Mossel Bay: daytime highs average 18.5°C and nights cool to about 9.9°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 47 mm of rain on roughly 8 days, which makes August a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 51 min on an average August day.
The nearest other city in this atlas is George (38 km away). In August its highs average 17.2°C, 1.3°C cooler than Mossel Bay, with 53 mm of rain.
Among the 95 cities listed in South Africa, Mossel Bay ranks 87th of 95 for the warmest August highs and joint 86th of 95 for the driest August (rainfall, lowest first). The mean August high of those 95 cities is 21.0°C; Mossel Bay is 2.5°C cooler than that mean.
From August to September, average highs rise by 0.7°C to 19.3°C, and monthly rainfall falls from 47 mm to 33 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
Mossel Bay climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.4°C17.9°C | 17.9°C | 38 | 7.5 | 14.114 h |
| February | 24.6°C18.2°C | 18.2°C | 30 | 6.8 | 13.313 h |
| March | 23.7°C17.1°C | 17.1°C | 41 | 7.4 | 12.312 h |
| April | 22.1°C14.8°C | 14.8°C | 43 | 6.7 | 11.311 h |
| May | 20.8°C12.8°C | 12.8°C | 40 | 6.2 | 10.410 h |
| June | 19.0°C10.3°C | 10.3°C | 37 | 6.9 | 9.910 h |
| July | 18.4°C9.5°C | 9.5°C | 38 | 7.2 | 10.110 h |
| August, selected | 18.5°C9.9°C | 9.9°C | 47 | 7.6 | 10.911 h |
| September | 19.3°C11.2°C | 11.2°C | 33 | 6.5 | 11.912 h |
| October | 20.5°C13.2°C | 13.2°C | 43 | 7.4 | 12.913 h |
| November | 21.5°C14.7°C | 14.7°C | 52 | 7.7 | 13.914 h |
| December | 23.4°C16.8°C | 16.8°C | 35 | 6.8 | 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
August in nearby cities
- George in AugustSouth Africa · 38 kmHigh 17.2°C · Low 9.2°C · 53 mm rain
- Oudtshoorn in AugustSouth Africa · 65 kmHigh 19.8°C · Low 6.1°C · 33 mm rain
- Worcester, South Africa in AugustSouth Africa · 256 kmHigh 17.5°C · Low 8.6°C · 51 mm rain
- Paarl in AugustSouth Africa · 297 kmHigh 17.8°C · Low 7.7°C · 110 mm rain
- Stellenbosch in AugustSouth Africa · 303 kmHigh 17.2°C · Low 8.0°C · 105 mm rain
- Kariega in AugustSouth Africa · 304 kmHigh 20.6°C · Low 9.9°C · 36 mm rain
- Somerset West in AugustSouth Africa · 306 kmHigh 17.4°C · Low 10.2°C · 105 mm rain
- Motherwell in AugustSouth Africa · 320 kmHigh 20.3°C · Low 10.1°C · 36 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 Mossel Bay) is explained once on the Mossel Bay year overview and on the Sources, method and limits page.