New Haven weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Fair
Best time to visit: July – August
What is the weather like in New Haven in June?
In June, New Haven is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 91 mm in total. All in all, June is a so-so month for a holiday in New Haven.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 15 h 8 min05:18 – 20:26
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 20 km/haverage daily peakAll months
- Cloud cover
- 59 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %75 %
- Seaweight 25 %14 %
- Sunshineweight 20 %80 %
- Few rainy daysweight 20 %58 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
New Haven in June: quick answers
Is New Haven hot in June?
Warm rather than hot: in June, daytime highs in New Haven average 24 °C and nights cool to about 16 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in New Haven in June?
Only if you don't mind cold water: in June the sea averages just 18.0 °C. Comfortable swimming is possible from July to September.
Does it rain much in New Haven in June?
Rain is frequent, with about 10 rainy days and 91 mm in total.
New Haven month by month
The whole year in New HavenAll destinations: USAWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences