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Climate · London

London in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in London is chilly: highs near 49°F, lows near 37°F. Rain falls on about three days a week, and daylight holds at about 7 hours 54 minutes.December in London is chilly: highs near 9°C, lows near 3°C. Rain falls on about three days a week, and daylight holds at about 7 hours 54 minutes.

High
49°F9°Caverage
Low
37°F3°Caverage
Wet days
3a week · 37% of days
Daylight
7h 54mon average

Is December a good time to visit London?

December sits outside London's best months, which run from June to September. Expect chilly days and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 49°F in December, against 48°F to 74°F through the year.Highs near 9°C in December, against 9°C to 23°C through the year.

Chance of a wet day

37% of days in December, against 30% to 40% through the year.

Cloud cover

72% cover in December, against 48% to 72% through the year.

Daylight

7h 54m in December, against 7h 54m to 16h 33m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November55°13°low 42°low 6°3 wet days a weekRain on about three days a week.
  2. December49°9°low 37°low 3°3 wet days a weekRain on about three days a week.
  3. January48°9°low 36°low 2°3 wet days a weekRain on about three days a week.

Where London sits, in December

Europe/London
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:59 AMsets 3:52 PM
Above the sea
10 mlow-lying
Latitude
51.5°Nnorthern hemisphere
Nearest of ours
Leatherhead27 km south-west

The land around London, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United Kingdom in December

high · low · wet days
See December on the planning mapThe whole year in London

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest London. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.