Heathrow Weather in January

January in Heathrow brings low temperatures around 9°C (48°F) during the day, dropping to 3°C (37°F) at night, with quite a bit of rainfall expected, averaging around 60 mm (2.4 in) for the month.

Rainfall in Heathrow in January

Past climate data indicates that roughly 18 days will see rain, totalling around 60 mm (2.4 in) for the month. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Heathrow in January

January in Heathrow brings low temperatures, with highs of 9°C (48°F) and nights around 3°C (37°F). The month of January belongs to the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. 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. With temperatures often at their lowest, it is the coldest month of the year. Ideal for indoor activities, be sure to pack warm clothing.

Sunshine in Heathrow in January

This month is characterized by fewer sunny days, with about 62 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Heathrow 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.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Heathrow. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Heathrow's climate page.

Heathrow 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% *  

What to Wear in Heathrow in January

We recommend to layer up for chilly conditions in Heathrow in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Rain is likely on several days, so bring a good rain jacket. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Heathrow in January

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

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Heathrow's climate page.

More climate data for Heathrow

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Heathrow climate overview or explore weather in the United Kingdom.