Selby-on-the-Bay Weather in December

What's the weather like in Selby-on-the-Bay (Maryland) in December 2025?

The climate in Selby-on-the-Bay during December can be summarized as cool and a little damp.

December is in the winter in Selby-on-the-Bay and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 8°C (46°F), whilst at night -2°C (28°F) is normal.

Selby-on-the-Bay weather averages (imperial / metric)
Daytime temperature 7.9°C 46.1°F
Nightly temperature -2.1°C 28.3°F
Average temperature 2.9°C 37.2°F
Daily sunshine 5.2 hrs
Avg rainfall 88 mm 3.5 ins
Rainy days 9 days
Sea temperature 6.5°C 43.6°F
Humidity 66%
Windspeed 15.5kph 10 mph

On average December is the 6th driest month of the year in Selby-on-the-Bay with around 88mm 3.5 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 5.2 hours of sunshine per day.

December temperatures in Selby-on-the-Bay

Selby-on-the-Bay average temperature in December

December rainfall

Selby-on-the-Bay average rain in December

December hourly sunshine

Selby-on-the-Bay 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 Selby-on-the-Bay in December 2025.