🧳 Packing guide
What to wear in London in December
A practical December packing list for London starts here: warm layers and a proper jacket or coat are useful, especially after sunset. A compact umbrella is worth carrying for passing showers or wetter days.
Travel takeaway: The month suits cold-weather travelers best, especially if you plan around shorter outdoor sessions and warmer layers.
🗓️ Travel timing at a glance
London: 12-month travel weather
London can see rain in any month, usually spread across many changeable days rather than one concentrated wet season. Layers and light rain protection are useful year-round.
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
London 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
🎊 Featured event
Notting Hill Carnival
📅 Late August each year
Large crowds and road closures affect parts of west London, so check transport routes before heading into the area.
Check official source →⚠️ Busy / closure period
Christmas and New Year period
📅 Late December–early January
Public transport schedules and opening hours for shops and attractions can differ from normal on public holidays.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
London Weather in December
2016–2025 · 10 complete years averaged · °F
London in December · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ December 2025 · latest complete year☔ 11 days · 68.1 mm
18
🌧️
12.7°C/10.1°C
🌧️ 17.5 mm
21
🌧️
10.3°C/7.1°C
🌧️ 4.3 mm
22
🌦️
10.6°C/7.7°C
🌧️ 1.7 mm
December 2024☔ 9 days · 40.8 mm
1
🌦️
13.2°C/10.7°C
🌧️ 2.2 mm
18
🌦️
13.9°C/10.3°C
🌧️ 3.8 mm
21
🌦️
12.3°C/4.7°C
🌧️ 2.3 mm
December 2023☔ 14 days · 79 mm
12
🌧️
11.4°C/7.1°C
🌧️ 7.3 mm
19
🌧️
12.3°C/5.3°C
🌧️ 12.7 mm
24
🌦️
13.3°C/10.6°C
🌧️ 1.2 mm
25
🌦️
12.9°C/11.3°C
🌧️ 3.2 mm
29
🌧️
10.6°C/6.2°C
🌧️ 1.5 mm
31
🌦️
10.5°C/6.4°C
🌧️ 8.2 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
✈️ Traveling soon?
Current London weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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London weather in other months
Switch months to compare the seasonal pattern.