Weather in Köln in May
Köln, Germany averages a high of 18.2°C (64.8°F) and low of 9.4°C (48.9°F) in May, with 12 rain days and 10.6 hours of daily sunshine. Travel score: 72.6/100 (Good). The best time to visit Köln is August.
High
18°C65°F
Low
9°C49°F
🌧️
12
rain days
☀️
10.6
hrs/day sunshine
💧
72%
humidity
73— Good
May in Köln is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Köln?
How much does it rain in Köln in May?
Köln receives an average of 65.2mm of rainfall across 12 rainy days in May. The annual total is 902.1mm.
What should I pack for Köln in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°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 Germany 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