New Haven
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
New Haven, CT

A scenic shot from above of the greeny New Haven Green in Connecticut, with the rest of the city and a far away dramatic landscape
A scenic shot from above of the greeny New Haven Green in Connecticut, with the rest of the city and a far away dramatic landscape
June, the first month of the summer, in New Haven, is a warm month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 77.4°F (25.2°C).

Temperature

In New Haven, the average high-temperature slightly increases, from a pleasant 68.5°F (20.3°C) in May, to a moderately hot 77.4°F (25.2°C). The average low-temperature, in New Haven, is 59.7°F (15.4°C).

Rainfall

In New Haven, it is raining for 11 days, with typically 4" (102.1mm) of accumulated precipitation. Throughout the year, in New Haven, there are 119 rainfall days, and 47.1" (1196.6mm) of precipitation is accumulated.

Ocean temperature

In New Haven, Connecticut, the average seawater temperature in June is 63.1°F (17.3°C). For swimming, a surface water temperature of 63.1°F (17.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

June has the longest days of the year in New Haven, with an average of 15.1h of daylight.

Sunshine

Months with the most sunshine are May through July, with an average of 9h of sunshine.

UV index

June through August, with an average maximum UV index of 8, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
In June, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in June in New Haven?

In New Haven, Connecticut, in June, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 59.7°F (15.4°C).

How many days does it rain in June in New Haven?

In New Haven, during June, the rain falls for 11 days and regularly aggregates up to 4" (102.1mm) of precipitation.

What is the ocean temperature in June in New Haven?

In June, the average ocean temperature in New Haven, Connecticut, is 63.1°F (17.3°C). For most, swimming in 63.1°F (17.3°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

When are the longest days in New Haven?

The month with the longest days in New Haven is June, with an average of 15.1h of daylight.

What is the average length of the day in June in New Haven?

In New Haven, Connecticut, the average length of the day in June is 15.1h.

What are the months with the most sunshine in New Haven?

Months with the most sunshine in New Haven are May through July, with an average of 9h of sunshine.

How long on average sun shines in June in New Haven?

In June, the average sunshine in New Haven is 9h.

When is the highest UV index in New Haven?

Months with the highest UV index are June through August, with an average maximum UV index of 8.

What is the UV index reading in June in New Haven?

The average daily maximum UV index in June is 8. A UV Index estimate of 8 to 10 represents a very high hazard to health from the exposure to the Sun's UV radiation.
Average temperature in June - New Haven, CT
  • Average high temperature in June: 77.3°F

The warmest month (with the highest average high temperature) is July (82.5°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in June: 59.7°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.2°F).

Average rainfall in June - New Haven, CT
  • Average rainfall in June: 4"

Wettest months (with the highest rainfall) are April and September (4.4").
The driest month (with the lowest rainfall) is February (2.9").

Average rainfall days in June - New Haven, CT
  • Average rainfall days in June: 11 days

The month with the highest number of rainy days is December (12 days).
The month with the lowest number of rainy days is October (7 days).

Average sea temperature in June - New Haven, CT
  • Average sea temperature in June: 63°F

The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (38.5°F).

Average daylight in June / Average sunshine in June - New Haven, CT
  • Average daylight in June: 15.1h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in June: 9h

Months with most sunshine are May, June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in June - New Haven, CT
  • Average UV index in June: 8

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).