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.
| 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.
				
						
						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.
Best places to visit in December
| Hottest month: | July | 30.2°C 86.4°F | 
|---|---|---|
| Driest month: | February | 75mm 3ins | 
| Sunniest month: | July | 9.9hrs | 
| Coldest month: | January | 5.1°C 41.2°F | 
| Wettest month: | August | 109mm 4.3ins |