United Kingdom flag United Kingdom

London, United Kingdom

The climate in London is temperate, with annual average temperatures spanning 7°C / 45°F during January up to 22°C / 72°F in July.

Precipitation is distributed throughout the year, averaging 56 mm / 2.2 inches monthly, peaking in October (65 mm / 2.6 inches) and reaching its lowest in April (46 mm / 1.8 inches).

UV peaks in June (index 7) and drops to its lowest in December (index 1); strong sun protection is essential during summer months.

The longest days occur in June with around 16.5 hours of daylight, while December has the shortest days at about 7.9 hours.

Fetching the latest forecast data

Trip planning

Plan your trip

Find the best dates. Understand the conditions. Pack with confidence.

Climate overview

Climate at a glance

The big-picture stats that matter for planning your visit to London.

Temperature range

Typical highs and lows

High21.9°C
Low2.0°C

The broad yearly range between warm daytime highs and the coolest overnight lows.

Rain pattern

Wettest point of the year

65 mm

October carries the highest typical rainfall load.

Sun exposure

Typical peak UV band

Moderate (4.5)

A fast read on how strong midday sun typically gets across the year.

Daylight window

Seasonal daylight range

8 hrsto17 hrs

Useful for gauging how much sightseeing time you get in shorter versus longer seasons.

Wind profile

Typical breeze strength

15 km/h

February is typically the breeziest month.

Humidity

Typical moisture range

72 %to88 %

A quick signal for how dry, comfortable, or heavy the air tends to feel.

When should I go?

Our top-rated months for visiting London, based on long-term weather comfort and conditions

Next steps

Dive deeper into rankings, month details, or packing guidance.

How London compares

See how it ranks against the rest of United Kingdom for key metrics.

HOTTEST (AVG)
in United Kingdom
#1 / 10
COOLEST (AVG)
in United Kingdom
#9 / 10
WETTEST (TOTAL)
in United Kingdom
#9 / 10
WINDIEST (AVG)
in United Kingdom
#7 / 10
HIGHEST UV
in United Kingdom
#2 / 10
MOST HUMID
in United Kingdom
#9 / 10

Short term outlook

Visiting soon? Here's the next 7 days of weather for London, or see an hourly breakdown for the next 14 days.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

How does the weather in London feel over the year?

Across the year, daytime highs average about 14°C (57°F), with nights near 7°C (45°F). Overall it feels cool by day and cold after dark. Daylight is fairly typical, with enough time for sightseeing. It tends to be on the cloudier side, with fewer blue-sky days.

When is the best time to visit London for dry weather?

The driest month is usually April, with around 46 mm (1.8 in) of rain. Most other months sit somewhere in between, with a mix of dry and showery days.

When is sun exposure strongest in London?

UV tends to peak in June, when UV levels are often high (around 7). Regular sunscreen and a hat are recommended.

Is London a windy place?

Across the year, average winds sit around 15 km/h (9 mph), with gusts on windier days up to about 70 km/h (43 mph). Overall it is it is a notably windy place, and strong gusts are fairly common.

How much daylight does London get?

On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.

Explore more