Weather in Longmont in May
Longmont, United States averages a high of 20°C (68°F) and low of 5.8°C (42.4°F) in May, with 11 rain days and 11.9 hours of daily sunshine. Travel score: 76.1/100 (Good). The best time to visit Longmont is August.
High
20°C68°F
Low
6°C42°F
🌧️
11
rain days
☀️
11.9
hrs/day sunshine
💧
61%
humidity
76— Good
May in Longmont is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Longmont?
How much does it rain in Longmont in May?
Longmont receives an average of 85.9mm of rainfall across 11 rainy days in May. The annual total is 472.8mm.
What should I pack for Longmont in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting United States in May?
Don't miss any public holidays — check before you book!
Compare Longmont
Popular comparisons:
How can I plan my trip to Longmont?
What other cities are near Longmont?
What are other popular cities in United States?
What is the weather like in other months in Longmont?
Data based on 1994–2024 averages · Last updated: 2024-12-31