Weather in Casper in May
Casper, United States averages a high of 18.2°C (64.8°F) and low of 5.1°C (41.2°F) in May, with 10 rain days and 12 hours of daily sunshine. Travel score: 73.6/100 (Good). The best time to visit Casper is August.
High
18°C65°F
Low
5°C41°F
🌧️
10
rain days
☀️
12
hrs/day sunshine
💧
58%
humidity
74— Good
May in Casper is mild and occasionally wet — good for most activities.
What are the average temperatures in Casper?
How much does it rain in Casper in May?
Casper receives an average of 63.9mm of rainfall across 10 rainy days in May. The annual total is 373.7mm.
What should I pack for Casper in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
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