- Save EXTRA 10% on cheap car hire worldwide
- With this exclusive Holiday Autos discount code
- Travel before 31st December 2020 (inclusive)
New Haven weather in May 2021
Get the latest coronavirus (COVID-19) updates for the USA with current travel advice, statistics and online resources.
- 1919°C max day temperature
- 1111 days with some rainfall
- 99°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 8989 mm of monthly rainfall
- 77 (High) UV index
- 1111°C sea temperature
The May weather guide for New Haven, Connecticut shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Recommended for Connecticut
How hot is it in New Haven in May?
Daytime temperatures usually reach 19°C in New Haven in May, falling to 9°C at night.
How sunny is it in New Haven in May?
There are normally 9 hours of bright sunshine each day in New Haven in May - that's 59% of daylight hours.
Is the sea cold around New Haven in May?
The average sea temperature around New Haven in May is 11°C.
Does it rain in New Haven in May?
There are usually 11 days with some rain in New Haven in May and the average monthly rainfall is 89mm.
New Haven sunrise & sunset times for May 2021
Browse the sunrise & sunset times for New Haven in May 2021. Select a month to view New Haven sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Saturday, 1st May 2021||05:49||19:49|
|Sunday, 16th May 2021||05:32||20:05|
|Monday, 31st May 2021||05:21||20:18|
- Save EXTRA 10% on 3-5* hotels worldwide with Priceline
- Discount available on Pay Now & Express Deal Hotels
- Book hotels for 2 nights or more. Not combinable
Metric (°C / mm) | Imperial (°F / inches)
Discover more about the USA
Where is hot in Connecticut in May for 2021/2022?
Below are average maximum temperatures at popular destinations in Connecticut in May. Select a destination to see more weather parameters.
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.