Typical Weather in New Haven, CT in May
71° F Avg High
51° F Avg Low
7 Rainy Days
☀️ Temperature Summary
Highs in May are typically around 71°F, which is warmer than usual in New Haven. Lows overnight are typically around 51°F. Daily high temperatures can range between 66°F and 75°F, and will often rise as the month goes on.
May is a great time to visit New Haven, with mild temperatures and sunny days being very common.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 22% chance of rain for any given day in May. It's one of the rainier months of the year for New Haven, with total rainfall for the month around 5 inches.
Rainfall Throughout the Year
Planning a trip to New Haven? Try our free trip weather planner