Old Saybrook Weather in December

What's the weather like in Old Saybrook (Connecticut) in December 2024?

The climate in Old Saybrook during December can be summarized as cool and damp.

December is in the winter in Old Saybrook and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 5°C (41°F), whilst at night -4°C (25°F) is normal.

Old Saybrook weather averages (imperial / metric)
Daytime temperature 5.1°C 41.1°F
Nightly temperature -3.9°C 25.1°F
Average temperature 0.6°C 33.1°F
Daily sunshine 5.2 hrs
Avg rainfall 112 mm 4.4 ins
Rainy days 12 days
Sea temperature 8.9°C 48°F
Humidity 68%
Windspeed 18kph 11 mph

On average December is the 2nd wettest month of the year in Old Saybrook with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.2 hours of sunshine per day.

December temperatures in Old Saybrook

Old Saybrook average temperature in December

December rainfall

Old Saybrook average rain in December

December hourly sunshine

Old Saybrook 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 Old Saybrook in December 2024.