Greenville Weather in December
What's the weather like in Greenville (Sinoe) in December 2025?
The climate in Greenville during December can be summarized as hot, humid and a little damp.
December is in the winter in Greenville and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 29.4°C 84.9°F |
|---|---|
| Nightly temperature | 21°C 69.8°F |
| Average temperature | 25.2°C 77.4°F |
| Daily sunshine | 6.1 hrs |
| Avg rainfall | 81 mm 3.2 ins |
| Rainy days | 8 days |
| Sea temperature | 28.7°C 83.6°F |
| Humidity | 84% |
| Windspeed | 5.4kph 3 mph |
On average December is the 3rd driest month of the year in Greenville with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
December temperatures in Greenville
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 Greenville in December 2025.
Other monthly averages
Best places to visit in December
Greenville weather stats
| Hottest month: | March | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | January | 42mm 1.7ins |
| Sunniest month: | February | 6.9hrs |
| Coldest month: | August | 26.8°C 80.2°F |
| Wettest month: | September | 408mm 16.1ins |
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