London weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Poor
Best time to visit: May – September
What is the weather like in London in January?
In January, London is cold: daytime highs average 7 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 11 rainy days and 54 mm in total. All in all, January is not an ideal month for a holiday in London.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 14 | 16 | 19 |
| Day | 8° | 7° | 8° |
| Night | 3° | 2° | 2° |
| Sun | 2 h | 2 h | 3 h |
| Rain days | 11 | 11 | 10 |
More details for January
- Daylight
- 8 h 19 min08:00 – 16:18
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 22 km/haverage daily peak
- Cloud cover
- 73 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snow
- Time zone
- UTC+0Europe/London
How the score comes together
- Temperatureweight 50 %0 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %53 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Warm jacket
- Rain jacket or umbrella
London in January: quick answers
Is London hot in January?
No. In January, London is cold: daytime highs average 7 °C and nights drop to about 2 °C.
Does it rain much in London in January?
Rain is frequent, with about 11 rainy days and 54 mm in total.
London month by month
The whole year in LondonAll destinations: United KingdomWhere to go in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)