Postmasburg Weather in January
What's the weather like in Postmasburg (Northern Cape) in January 2026?
The climate in Postmasburg during January can be summarized as hot and reasonably dry.
January is in the summer in Postmasburg and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 18°C (64°F) is normal.
| Daytime temperature | 32.7°C 90.9°F |
|---|---|
| Nightly temperature | 17.5°C 63.5°F |
| Average temperature | 25.1°C 77.2°F |
| Daily sunshine | 11.3 hrs |
| Avg rainfall | 47 mm 1.8 ins |
| Rainy days | 6 days |
| Sea temperature | 22°C 71.6°F |
| Humidity | 40% |
| Windspeed | 9.4kph 6 mph |
On average January is the 3rd wettest month of the year in Postmasburg with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.3 hours of sunshine per day.
January temperatures in Postmasburg
January rainfall
January 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 January 2025.
Other monthly averages
Best places to visit in January
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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