South Yarmouth Weather in December

What's the weather like in South Yarmouth (Massachusetts) in December 2023?

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.

South Yarmouth weather averages (imperial / metric)
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
Humidity 67%
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.

December temperatures in South Yarmouth

South Yarmouth average temperature in December

December rainfall

South Yarmouth average rain in December

December hourly sunshine

South Yarmouth average rain in December

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.

Other monthly averages

Best places to visit in December

UV index Best time to go?

South Yarmouth weather stats

South Yarmouth weather statistics
Hottest month: July 25.2°C 77.4°F
Driest month: July 68mm 2.7ins
Sunniest month: September 8.2hrs
Coldest month: January 2.4°C 36.3°F
Wettest month: November 116mm 4.6ins
Map showing location of South Yarmouth (41.66678, -70.18474)

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