Weather in New Haven in May
New Haven, United States averages a high of 18.5°C (65.3°F) and low of 10.5°C (50.9°F) in May, with 11 rain days and 10 hours of daily sunshine. Travel score: 73.3/100 (Good). The best time to visit New Haven is August.
High
19°C65°F
Low
11°C51°F
🌧️
11
rain days
☀️
10
hrs/day sunshine
💧
74%
humidity
73— Good
May in New Haven is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in New Haven?
How much does it rain in New Haven in May?
New Haven receives an average of 89.4mm of rainfall across 11 rainy days in May. The annual total is 1161mm.
What should I pack for New Haven in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
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