The climate in South Yarmouth during December can be summarized as cool and damp.
December is in the winter in South Yarmouth and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (42°F), whilst at night -3°C (27°F) is normal.
|Daytime temperature||5.3°C 41.5°F|
|Nightly temperature||-2.7°C 27.1°F|
|Average temperature||1.3°C 34.3°F|
|Daily sunshine||5.1 hrs|
|Avg rainfall||113 mm 4.5 ins|
|Rainy days||13 days|
|Sea temperature||8.3°C 46.9°F|
|Windspeed||19.1kph 12 mph|
On average December is the 2nd wettest month of the year in South Yarmouth with around 113mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.1 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 South Yarmouth in December 2023.
|Hottest month:||July||25.2°C 77.4°F|
|Driest month:||July||68mm 2.7ins|
|Coldest month:||January||2.4°C 36.3°F|
|Wettest month:||November||116mm 4.6ins|