Postmasburg Weather in August
What's the weather like in Postmasburg (Northern Cape) in August 2025?
The climate in Postmasburg during August can be summarized as mild and very dry.
August is in the winter in Postmasburg and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 21°C (70°F), whilst at night 4°C (38°F) is normal.
| Daytime temperature | 21.1°C 69.9°F |
|---|---|
| Nightly temperature | 3.6°C 38.4°F |
| Average temperature | 12.3°C 54.1°F |
| Daily sunshine | 10.7 hrs |
| Avg rainfall | 6 mm 0.2 ins |
| Rainy days | 2 days |
| Sea temperature | 17.7°C 63.9°F |
| Humidity | 43% |
| Windspeed | 8.3kph 5 mph |
On average August is the 2nd driest month of the year in Postmasburg with around 6mm 0.2 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
August temperatures in Postmasburg
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Postmasburg in August 2025.
Other monthly averages
Best places to visit in August
Postmasburg weather stats
| Hottest month: | January | 32.3°C 90.1°F |
|---|---|---|
| Driest month: | July | 5mm 0.2ins |
| Sunniest month: | August | 10.7hrs |
| Coldest month: | June | 17.8°C 64°F |
| Wettest month: | March | 67mm 2.6ins |
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