Measurements:
°C
°F
London
70°F
E 8 mph
Feels like: 70°F
Precip: 85%
World Resorts Canada London Weather May Weather in London

London Weather: May

Average Day Temperature: 64.5°F
Average Night Temperature: 49.2°F
Number of Sunny Days: 11 days
Sunshine Hours: 14.1 - 15.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 0.8 in

Air Temperature in May, °F

Select Year: 2026 2025 2024

The highest day temperature in May 2026 was 93°F. The lowest night temperature was 30°F. The average values for day and night temperatures during May were 65.2°F и 47.2°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during May. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in May, in

Precipitation total in May for London is 0.8 in. It makes may one of the least rainy months of the year.

Wind Speed in May, mph

The average wind speed in May is 9.6 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for London in May is 8.0 hours.

Best Time to Visit London
The most sunny months:
September 14 days
June 13 days
July 13 days
The most warm months:
July 81.7 °F
August 79.8 °F
June 76.4 °F
The most cold months:
January 24.5 °F
February 26.0 °F
December 31.8 °F
The most rainy months:
July 3 days
June 3 days
April 2 days
The most windy months:
March 11 mph
November 11 mph
April 11 mph

London on the Weather Map

24 Hours Weather Forecast
London
Local time: 10:12
19 aug, wednesday
1200 78°F
E
9 mph
1500 82°F
SE
15 mph
1800 78°F
SE
14 mph
2100 72°F
SW
7 mph
20 aug, thursday
0000 66°F
W
7 mph
0300 64°F
SW
6 mph
0600 62°F
SW
5 mph
0900 68°F
W
4 mph