Keswick
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Keswick Weather in December

Keswick in December sees low daytime temperatures of 8°C (46°F) and nighttime lows of 2°C (36°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Keswick in December

This is the wettest month of the year, so having an umbrella ready is a smart choice. Records from the past 30 years suggest around 21 days of rain, with 145 mm (5.7 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Keswick in December

In December, expect low temperatures in Keswick, with highs of 8°C (46°F) and lows of 2°C (36°F) at night. December is in the winter season. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 2°C (36°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Keswick. Our weather planner can help you explore destinations with more pleasant weather conditions.

Keswick Temperature in December

Min Temperature
2°C (36°F)
Max Temperature
8°C (46°F)
Chance of Rain
69%
Precipitation
145 mm (5.7 in)
Rainy days
21 days

Keswick Weather by Month

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

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Keswick typically stay consistent throughout December, with daily highs averaging around 8°C (46°F). Nights are cold, with lows around 2°C (36°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 Keswick in December

Browse day-by-day weather records for Keswick spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Keswick historical weather extremes in December

According to our 49 years of weather records for Keswick, the following extremes were recorded between 1976 and 2025.

  • On December 7, 2016, temperatures climbed to 15°C (59°F), marking the warmest December day on record.
  • Keswick experienced its chilliest December day on December 31, 1978, reaching only -6°C (21°F).

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 Keswick in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Keswick in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    4/10
  • Walking
    4/10
  • Barbeque
    1/10
  • Camping
    3/10
  • Outdoor sports
    4/10

Keswick 3-Day Forecast

More climate data for Keswick

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.