Weymouth Weather in December
Weymouth in December averages 11°C (52°F) during the day and 6°C (43°F) at night. This is part of the winter season, and quite a bit of rainfall is expected this month.
Rainfall in Weymouth in December
Climate statistics over the past 30 years suggest around 17 days of rain, with 99 mm (3.9 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Weymouth in December
Daytime temperatures in Weymouth reach 11°C (52°F) in December, dropping to 6°C (43°F) at night. Winter occurs in December. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 6°C (43°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Weymouth in December
This month is characterized by fewer sunny days, with about 55 hours of sunshine. It's great for those who appreciate cooler, less sunny days.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Weymouth's climate page.
Weymouth Temperature in December
Min Temperature
6°C (43°F)
Max Temperature
11°C (52°F)
Chance of Rain
57%
Precipitation
99 mm (3.9 in)
Rainy days
17 days
Sunshine
55 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Weymouth typically stay consistent throughout December, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 5°C (41°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Weymouth in December
Browse day-by-day weather records for Weymouth spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Weymouth historical weather extremes in December
Based on 49 years of weather observations in Weymouth between 1976 and 2025, these are the recorded extremes.
- The warmest day in December was on December 11, 2025, with a maximum of 25°C (77°F).
- Weymouth experienced its chilliest December day on December 31, 1978, reaching only -3°C (27°F).
- The lowest overnight temperature recorded in December was -9°C (16°F) (December 29, 1976).
Best Places in the United Kingdom in December
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in December →
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What to Wear in Weymouth in December
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Weymouth in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Weymouth's climate page.
See the full Weymouth climate overview or explore weather in the United Kingdom.
