Weather in Wheaton in May
Wheaton, United States averages a high of 20.5°C (68.9°F) and low of 10.2°C (50.4°F) in May, with 12 rain days and 10.3 hours of daily sunshine. Travel score: 73.8/100 (Good). The best time to visit Wheaton is September.
High
21°C69°F
Low
10°C50°F
🌧️
12
rain days
☀️
10.3
hrs/day sunshine
💧
69%
humidity
74— Good
May in Wheaton is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Wheaton?
How much does it rain in Wheaton in May?
Wheaton receives an average of 116.1mm of rainfall across 12 rainy days in May. The annual total is 954.4mm.
What should I pack for Wheaton in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 21°C
🧴
Sunscreen SPF 30+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (12 days)
☔
Umbrella
Be prepared for occasional showers
🎉Visiting United States 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