Weather in Union in May
Union, United States averages a high of 21.2°C (70.2°F) and low of 11.3°C (52.3°F) in May, with 11 rain days and 9.9 hours of daily sunshine. Travel score: 76.8/100 (Good). The best time to visit Union is July.
High
21°C70°F
Low
11°C52°F
🌧️
11
rain days
☀️
9.9
hrs/day sunshine
💧
70%
humidity
77— Good
May in Union is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Union?
How much does it rain in Union in May?
Union receives an average of 90.4mm of rainfall across 11 rainy days in May. The annual total is 1161.2mm.
What should I pack for Union 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+
10 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
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