The climate in Chapel Hill during December can be summarized as cool and a little damp.
December is in the winter in Chapel Hill and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (53°F), whilst at night -1°C (30°F) is normal.
| Daytime temperature | 11.5°C 52.6°F |
|---|---|
| Nightly temperature | -1.3°C 29.8°F |
| Average temperature | 5.1°C 41.2°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 87 mm 3.4 ins |
| Rainy days | 9 days |
| Sea temperature | 17.5°C 63.4°F |
| Humidity | 69% |
| Windspeed | 13.7kph 9 mph |
On average December is the 4th driest month of the year in Chapel Hill with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 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 Chapel Hill in December 2025.
Best places to visit in December
| Hottest month: | July | 31.1°C 88°F |
|---|---|---|
| Driest month: | April | 81mm 3.2ins |
| Sunniest month: | April | 8.9hrs |
| Coldest month: | January | 9°C 48.2°F |
| Wettest month: | May | 113mm 4.4ins |