Cool
Average highs are around 17°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 52mm, which is relatively low for holiday planning.

Monthly averages
Temp
17°C
Rain
52mm
Sun
6h
Weather score
39
Poor
Cool
Average highs are around 17°C, so pack for cooler days.
Drier
Rainfall averages 52mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Map
Compare London, England, United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.
May17°C average high
May is close to London's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May52mm average rain
May is close to London's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
May6 hours average sun
May is one of London's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
May39 weather score
May sits close to London's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
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