Weather in Flagstaff in May
Flagstaff, United States averages a high of 20.5°C (68.9°F) and low of 7.4°C (45.3°F) in May, with 5 rain days and 13.1 hours of daily sunshine. Travel score: 83.8/100 (Excellent). The best time to visit Flagstaff is June.
High
21°C69°F
Low
7°C45°F
🌧️
5
rain days
☀️
13.1
hrs/day sunshine
💧
36%
humidity
84— Excellent
May in Flagstaff is mild and mostly dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Flagstaff?
How much does it rain in Flagstaff in May?
Flagstaff receives an average of 22.2mm of rainfall across 5 rainy days in May. The annual total is 552.2mm.
What should I pack for Flagstaff 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+
13 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
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