The climate in Mount Pleasant during December can be summarized as cool and a little damp.
December is in the winter in Mount Pleasant and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 1°C (34°F) is normal.
Daytime temperature | 13.6°C 56.5°F |
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Nightly temperature | 1°C 33.8°F |
Average temperature | 7.3°C 45.1°F |
Daily sunshine | 5.7 hrs |
Avg rainfall | 97 mm 3.8 ins |
Rainy days | 8 days |
Sea temperature | 16.1°C 61°F |
Humidity | 72% |
Windspeed | 15.5kph 10 mph |
On average December is the 6th wettest month of the year in Mount Pleasant with around 97mm 3.8 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 5.7 hours of sunshine per day.
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 Mount Pleasant in December 2025.
Best places to visit in December
Hottest month: | July | 33.7°C 92.7°F |
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Driest month: | August | 59mm 2.3ins |
Sunniest month: | July | 11.1hrs |
Coldest month: | January | 11.6°C 52.9°F |
Wettest month: | May | 136mm 5.4ins |