Weather in Idaho Falls in May
Idaho Falls, United States averages a high of 19.1°C (66.4°F) and low of 5.3°C (41.5°F) in May, with 9 rain days and 12.4 hours of daily sunshine. Travel score: 77.1/100 (Good). The best time to visit Idaho Falls is July.
High
19°C66°F
Low
5°C42°F
🌧️
9
rain days
☀️
12.4
hrs/day sunshine
💧
50%
humidity
77— Good
May in Idaho Falls is mild and occasionally wet — good for most activities.
What are the average temperatures in Idaho Falls?
How much does it rain in Idaho Falls in May?
Idaho Falls receives an average of 46.3mm of rainfall across 9 rainy days in May. The annual total is 354.2mm.
What should I pack for Idaho Falls in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Traveling to United States in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
🏛️ 121 countries·📅 Updated yearly·✈️ Free forever
Compare Idaho Falls
Popular comparisons:
How can I plan my trip to Idaho Falls?
What are other popular cities in United States?
What is the weather like in other months in Idaho Falls?
Data based on 1994–2024 averages · Last updated: 2024-12-31