The climate in St Ives during December can be summarized as cool and wet.
December is in the winter in St Ives and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 5°C (41°F) is normal.
|Daytime temperature||9.8°C 49.6°F|
|Nightly temperature||5.2°C 41.4°F|
|Average temperature||7.5°C 45.5°F|
|Daily sunshine||1.9 hrs|
|Avg rainfall||133 mm 5.2 ins|
|Rainy days||22 days|
|Sea temperature||11.3°C 52.3°F|
|Windspeed||23.4kph 15 mph|
On average December is the wettest month of the year in St Ives with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.9 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 St Ives in December 2023.
Best places to visit in December
|Hottest month:||August||18.9°C 66°F|
|Driest month:||July||58mm 2.3ins|
|Coldest month:||February||8.5°C 47.3°F|
|Wettest month:||December||133mm 5.2ins|