Weather in London in May
London, Canada averages a high of 19°C (66.2°F) and low of 9°C (48.2°F) in May, with 12 rain days and 10.8 hours of daily sunshine. Travel score: 73.3/100 (Good). The best time to visit London is August.
High
19°C66°F
Low
9°C48°F
🌧️
12
rain days
☀️
10.8
hrs/day sunshine
💧
68%
humidity
73— Good
May in London is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in London?
How much does it rain in London in May?
London receives an average of 91.5mm of rainfall across 12 rainy days in May. The annual total is 957.5mm.
What should I pack for London in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
🎉Visiting Canada in May?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31