London Weather in January
January in London brings low temperatures, with highs of 9°C (48°F) and nights dropping to 3°C (37°F). Expect some rainfall, with around 60 mm (2.4 in) typical for the month.
Rainfall in London in January
The climate data from previous years indicates about 18 days of rain, averaging 60 mm (2.4 in) for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in London in January
Expect highs of 9°C (48°F) in London in January, with nights dropping to around 3°C (37°F). The winter season takes place during January. It stays cool throughout the day, so warm layers are a good idea from morning to evening. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.
Sunshine in London in January
With limited sunshine this month, there are about 62 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.
Wind Speed in London in January
January sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.January in London has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 London's climate page.
London Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
9°C (48°F)
Chance of Rain
59%
Precipitation
60 mm (2.4 in)
Rainy days
18 days
Humidity
80%
Windspeed
4 m/s (8 knots)
Sunshine
62 hours
Percentage Sunshine
23%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in London typically stay consistent throughout January, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 3°C (37°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for London in January
Browse day-by-day weather records for London spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
London historical weather extremes in January
Our historical data for London spans 2000 to 2025, revealing these weather extremes.
- On January 9, 2015, temperatures climbed to 16°C (61°F), marking the warmest January day on record.
- The lowest daytime temperature in January was 0°C (32°F), recorded on January 20, 2013.
- Nighttime temperatures dropped to -7°C (19°F) on January 23, 2023, marking the coldest January night on record.
- The wettest January day on record brought 20 mm (0.8 in) of precipitation to London (January 28, 2021).
Best Places in the United Kingdom in January
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 January →
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What to Wear in London in January
Dress warmly and in layers for your trip to London in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in London in January
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 London's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full London climate overview or explore weather in the United Kingdom.
