Climate averages 1991–2020
Windhoek weather
in August.
A warm, very dry month: the 9th warmest and the driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Windhoek: daytime highs average 23.9°C and nights cool to about 8.2°C. By daytime temperature it is the 9th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical August (the driest month of the year). Daylight, from sunrise to sunset, lasts about 11 h 20 min on an average August day.
The nearest other city in this atlas is Walvis Bay (268 km away). In August its highs average 18.6°C, 5.4°C cooler than Windhoek, with almost no rain (under 1 mm).
Among the 3 cities listed in Namibia, Windhoek ranks 2nd of 3 for the warmest August highs and joint 2nd of 3 for the driest August (rainfall, lowest first). The mean August high of those 3 cities is 23.7°C; Windhoek is 0.2°C warmer than that mean.
From August to September, average highs rise by 4.0°C to 27.9°C, and monthly rainfall rises from under 1 mm to 5.2 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
Windhoek climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C17.3°C | 17.3°C | 131 | 12.8 | 13.313 h |
| February | 28.1°C16.8°C | 16.8°C | 145 | 13.1 | 12.913 h |
| March | 27.0°C15.8°C | 15.8°C | 89 | 11.7 | 12.212 h |
| April | 25.4°C13.4°C | 13.4°C | 29 | 4.8 | 11.612 h |
| May | 23.3°C10.3°C | 10.3°C | 3.7 | 0.6 | 11.011 h |
| June | 20.8°C6.9°C | 6.9°C | 0.4 | 0.1 | 10.811 h |
| July | 20.6°C6.0°C | 6.0°C | 0.4 | 0.1 | 10.911 h |
| August, selected | 23.9°C8.2°C | 8.2°C | 0.3 | 0.1 | 11.311 h |
| September | 27.9°C11.6°C | 11.6°C | 5.2 | 1.1 | 11.912 h |
| October | 30.0°C14.5°C | 14.5°C | 13 | 3.4 | 12.613 h |
| November | 30.3°C15.5°C | 15.5°C | 34 | 5.8 | 13.213 h |
| December | 30.5°C16.7°C | 16.7°C | 64 | 7.9 | 13.513 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
- Walvis Bay in AugustNamibia · 268 kmHigh 18.6°C · Low 11.0°C · 0.3 mm rain
- Rundu in AugustNamibia · 587 kmHigh 28.7°C · Low 13.0°C · 0.1 mm rain
- Ondjiva in AugustAngola · 627 kmHigh 30.2°C · Low 14.4°C · 0 mm rain
- Maun in AugustBotswana · 716 kmHigh 28.3°C · Low 11.6°C · 0.1 mm rain
- Cahama in AugustAngola · 756 kmHigh 31.0°C · Low 13.8°C · 0 mm rain
- Upington in AugustSouth Africa · 777 kmHigh 22.8°C · Low 7.8°C · 2.8 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 Windhoek) is explained once on the Windhoek year overview and on the Sources, method and limits page.