Weymouth
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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.

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
*
* Data from: Salisbury, the United Kingdom (69 KM, 42 Miles).

Weymouth Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Weymouth - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    4/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Weymouth 3-Day Forecast

More climate data for Weymouth

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.