Graaff-Reinet Weather in December
What's the weather like in Graaff-Reinet (Eastern Cape) in December 2025?
The climate in Graaff-Reinet during December can be summarized as warm and reasonably dry.
December is in the summer in Graaff-Reinet and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 13°C (56°F) is normal.
| Daytime temperature | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 13.4°C 56.1°F |
| Average temperature | 21.6°C 70.9°F |
| Daily sunshine | 11.4 hrs |
| Avg rainfall | 34 mm 1.3 ins |
| Rainy days | 6 days |
| Sea temperature | 21.4°C 70.5°F |
| Humidity | 49% |
| Windspeed | 11.9kph 7 mph |
On average December is the 3rd wettest month of the year in Graaff-Reinet with around 34mm 1.3 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 11.4 hours of sunshine per day.
December temperatures in Graaff-Reinet
December rainfall
December 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 Graaff-Reinet in December 2025.
Other monthly averages
Best places to visit in December
Graaff-Reinet weather stats
| Hottest month: | January | 30.6°C 87.1°F |
|---|---|---|
| Driest month: | June | 13mm 0.5ins |
| Sunniest month: | August | 9.1hrs |
| Coldest month: | July | 18.2°C 64.8°F |
| Wettest month: | March | 52mm 2ins |
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