London weather in January (Greater London, United Kingdom)

People don't tend to visit London in January since it is known as a chilly month. The average maximum daytime temperature in London in January lies at 7.5°C (45.5°F). Usually it is the coldest month of the year. The average minimum temperature goes down to around 1.8°C (35.24°F) (often the minimum temperature is noted at night).

Rainfall during January is moderate with an average of 78mm (3.1 inches). There are generally around 15 rainy days. You will hardly see any sun, with only 62 hours of sunshine during the entire month.


London, monthly averages in January

Show in Celsius
Min Temperature 35 °F  
Max Temperature 45 °F  
Chance of Rain 50%  
Precipitation 3 in  
Rainy days 15 days  
Humidity 80% *  
Sunshine 62 hrs *  
Percentage Sunshine 23% *  

Where to stay in London

Where to go in the United Kingdom in January

Find out more about the weather in the United Kingdom in January and which places have the best weather conditions in this month.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

So what to wear in January?

What To Do

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

Outdoor sports

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in London.

Our site offers climate and forecast data for almost all countries in the world. Are you going to the United Kingdom? On this website you can find historical weather averages for many cities in the United Kingdom. Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.