London

Greater London Weather in January

Average temperatures, rainfall, sunshine and the best places to visit in Greater London, the United Kingdom in January.

Are you planning a trip a to Greater London, the United Kingdom in January and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Greater London in January

Greater London, the United Kingdom is a region in the United Kingdom. January in Greater London generally has cold temperatures, with moderate precipitation. January falls during the winter season.

Temperatures

You can expect cold maximum daytime temperatures of around 9°C (48°F) and nighttime temperatures around 3°C (37°F) in London. In general, this month stands out as the coldest period throughout the year. Given the lower temperatures, it's essential to be well-prepared. Packing the right winter clothing and necessary accessories can make a significant difference in ensuring your comfort and well-being during this chilly season.

To learn more about the conditions in specific areas of Greater London, the United Kingdom, check out the map below.

Precipitation

In January, precipitation varies across different areas. From moderate rainfall in Hornchurch with an average of 56 mm (2.2 in) to moderate rainfall in Claygate with 62 mm (2.4 in).

Average sunshine

Sunshine is quite limited in many locations during January. London receives roughly 62 hours of sunlight. For destinations with more sunshine, our weather planner offers alternatives worldwide.

Explore Greater London by month

Pick a month to see the average temperature, rainfall and sunshine in Greater London - and find the best time to visit. (based on London)

Best Places to Visit in Greater London in January

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Greater London.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Greater London

What is the weather like in January for some of the most popular destinations in Greater London, the United Kingdom?

Temperature range in Greater London (January)

Precipitation variation in Greater London (January)

London

In January London generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
63 mm (2.5 in)
60 mm (2.4 in)
55 mm (2.2 in)
Monthly rainy days
16 days
18 days
13 days
Weather conditions

Croydon

In January Croydon generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
65 mm (2.6 in)
61 mm (2.4 in)
57 mm (2.2 in)
Monthly rainy days
15 days
16 days
12 days
Weather conditions

Ilford

In January Ilford generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
49 hours
61 hours
78 hours
Monthly rainfall
60 mm (2.4 in)
57 mm (2.2 in)
53 mm (2.1 in)
Monthly rainy days
15 days
16 days
12 days
Weather conditions

Hounslow

In January Hounslow generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
63 mm (2.5 in)
60 mm (2.4 in)
55 mm (2.2 in)
Monthly rainy days
16 days
17 days
13 days
Weather conditions

Harrow

In January Harrow generally has low temperatures with maximum daytime temperatures around 9°C (48°F), minimum nighttime temperatures around 3°C (37°F) and moderate monthly rainfall. So on average the conditions are less favorable that month.

December
January
February
Max temperature
9°C (48°F)
9°C (48°F)
9°C (48°F)
Min temperature
3°C (37°F)
3°C (37°F)
3°C (37°F)
Monthly sun hours
54 hours
62 hours
78 hours
Monthly rainfall
62 mm (2.4 in)
59 mm (2.3 in)
55 mm (2.2 in)
Monthly rainy days
16 days
17 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Greater London, in the United Kingdom.

In our records: the United Kingdom January extremes

Notable January records observed across cities in the United Kingdom in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest January night in the United Kingdom dropped to -20°C (-4°F) in Birmingham on January 14, 1982.

Popular cities in January

Day & night temperatures, rainfall and average weather in Greater London in January.

City Weather Day temp Night temp Rainfall
London 9°C (48°F) 3°C (37°F) 60 mm (2.4 in)
Croydon 9°C (48°F) 3°C (37°F) 61 mm (2.4 in)
Ilford 9°C (48°F) 3°C (37°F) 57 mm (2.2 in)
Hounslow 9°C (48°F) 3°C (37°F) 60 mm (2.4 in)
Harrow 9°C (48°F) 3°C (37°F) 59 mm (2.3 in)
Kingston upon Thames 9°C (48°F) 3°C (37°F) 61 mm (2.4 in)

Greater London weather in January: frequently asked questions

What is the weather like in Greater London, the United Kingdom in January?

Greater London, the United Kingdom typically experiences less favorable weather in January, part of the winter season. Daytime highs in London average around 9°C (48°F), and temperatures drop to about 3°C (37°F) at night.

What is the average temperature in Greater London, the United Kingdom in January?

Daytime temperatures in London peak at roughly 9°C (48°F) in January, dropping to about 3°C (37°F) overnight.

Does Greater London, the United Kingdom get a lot of rain in January?

Not particularly. London averages just 60 mm (2.4 in) of rain in January, making it a mostly dry month for Greater London, the United Kingdom.

Is January a Good Time to Visit Greater London, the United Kingdom?

In our view, January might not be the best time to travel to Greater London, the United Kingdom with often less favorable weather in London.

On average, the best time to visit Greater London, the United Kingdom is in June, July, August and September with generally excellent weather in London. The weather in January, February and December, on the other hand, tends to be less favorable.

Interested in more climate information?

We have much more information about the climate in Greater London.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.