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New Haven weather in May (Connecticut, United States of America)

Looking to travel to New Haven in May? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In May, New Haven generally has pleasant temperatures and high rainfall. Daytime temperatures hover around 21°C, while nights can cool down to about 11°C.

New Haven in May usually receives high rainfall, averaging around 105 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 14 days of the month will see rainfall.

With around 258 hours of sunshine, the days are mostly sunny. It gives a pleasant and vibrant feel to the area.

If your ideal day consists of dry skies and moderate temperatures July and September generally stand out with the best circumstances. While January, February, March and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized New Haven climate page with graphs.

 

New Haven, monthly averages in May

Min TemperatureMin Temperature 11°C  
Max TemperatureMax Temperature 21°C  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 105 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 63% *  
SunshineSunshine 258 hours *  
Percentage SunshinePercentage Sunshine 57% *  
* Data from: Hartford, the United States of America (54 KM, 33 Miles).

Where to go in the United States of America in May

Find out more about the weather in the United States of America in May and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in New Haven in May?

For visitors traveling to New Haven, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in May.

Cycling
9/10
Walking
9/10
Camping
6/10
Outdoor sports
9/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in New Haven.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.