Robertsport Weather in December
What's the weather like in Robertsport (Grand Cape Mount) in December 2025?
The climate in Robertsport during December can be summarized as hot, humid and reasonably dry.
December is in the winter in Robertsport and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 30.2°C 86.3°F |
|---|---|
| Nightly temperature | 21.3°C 70.3°F |
| Average temperature | 25.7°C 78.3°F |
| Daily sunshine | 5.6 hrs |
| Avg rainfall | 53 mm 2.1 ins |
| Rainy days | 4 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 81% |
| Windspeed | 8.6kph 5 mph |
On average December is the 3rd driest month of the year in Robertsport with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
December temperatures in Robertsport
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 Robertsport in December 2025.
Other monthly averages
Best places to visit in December
Robertsport weather stats
| Hottest month: | March | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | January | 19mm 0.7ins |
| Sunniest month: | February | 6.7hrs |
| Coldest month: | August | 27.8°C 82°F |
| Wettest month: | August | 576mm 22.7ins |
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