Weather in Bismarck in May
Bismarck, United States averages a high of 18.4°C (65.1°F) and low of 7.2°C (45°F) in May, with 10 rain days and 10.9 hours of daily sunshine. Travel score: 73.8/100 (Good). The best time to visit Bismarck is August.
High
18°C65°F
Low
7°C45°F
🌧️
10
rain days
☀️
10.9
hrs/day sunshine
💧
63%
humidity
74— Good
May in Bismarck is mild and occasionally wet — good for most activities.
What are the average temperatures in Bismarck?
How much does it rain in Bismarck in May?
Bismarck receives an average of 71.9mm of rainfall across 10 rainy days in May. The annual total is 517.4mm.
What should I pack for Bismarck 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 (10 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31