Dorset weather in December 2025

Q: How warm is it in Dorset in December?

Daytime temperatures usually reach 9°C in Bournemouth, Dorset in December, falling to 3°C at night.

Q: How sunny is it in Dorset in December?

There are normally 2 hours of bright sunshine each day in Bournemouth, Dorset in December - that's 22% of daylight hours.

Q: Is the sea cold around Dorset in December?

The average sea temperature around Bournemouth, Dorset in December is 10°C.

Q: Does it rain in Dorset in December?

There are usually 17 days with some rain in Bournemouth, Dorset in December and the average monthly rainfall is 90mm.

Expect daytime maximum temperatures of 48°F in Dorset, UK in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 17 days with some rainfall and typically 3.5 inches of rainfall in the month.

48
48°F max day temperature
2
2 hours of sunshine per day
17
17 days with some rainfall
37
37°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
1
1 (Low) UV index
50
50°F sea temperature

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The December weather guide for Dorset (Bournemouth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Dorset destinations

Below are average maximum temperatures at popular countries, regions and places in Dorset in December. Select a holiday destination to see more weather parameters.

Metric (°C) | Imperial (°F)

More about the UK

How warm is it in Dorset in December?

Daytime temperatures usually reach 48°F in Bournemouth, Dorset in December, falling to 37°F at night.

How sunny is it in Dorset in December?

There are normally 2 hours of bright sunshine each day in Bournemouth, Dorset in December - that's 22% of daylight hours.

How warm is the sea around Dorset in December?

The average sea temperature around Bournemouth, Dorset in December is 50°F.

Does it rain in Dorset in December?

There are usually 17 days with some rain in Bournemouth, Dorset in December and the average monthly rainfall is 3.5 inches.

Dorset December sunrise & sunset times

Browse the sunrise and sunset times for Dorset in December 2025. Select a month to view Dorset sunrise and sunset times for the next 12 months. The Dorset sunrise and sunset times shown below are for Bournemouth.

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