Hartford
Connecticut, USA
Long-term weather forecast
Long-term weather forecast

June weather forecast and climate
Hartford, CT

Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
Skyscape view of the city of Hartford, Connecticut, with the roads leading to the town, and trees on roadsides
The first month of the summer, June, is a warm month in Hartford, Connecticut, with average temperature fluctuating between 79.5°F (26.4°C) and 57.4°F (14.1°C).

Temperature

In June, the average high-temperature marginally rises, from a pleasant 71.2°F (21.8°C) in May, to a warm 79.5°F (26.4°C). In June, the average low-temperature is 57.4°F (14.1°C).

Humidity

In Hartford, the average relative humidity in June is 67.3%.

Rainfall

In June, in Hartford, the rain falls for 12.2 days. Throughout June, 4.4" (110.5mm) of precipitation is accumulated. In Hartford, during the entire year, the rain falls for 130 days and collects up to 45.9" (1164.6mm) of precipitation.

Snowfall

May through October are months without snowfall in Hartford.

Daylight

With an average of 15.2h of daylight, June has the longest days of the year.

Sunshine

In Hartford, the average sunshine in June is 9.1h.

UV index

Months with the highest UV index in Hartford, Connecticut, are June through August, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 8 translate into the following recommendations:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in June in Hartford?

The average high-temperature, in June, is 79.5°F (26.4°C), while the average low-temperature is 57.4°F (14.1°C).

What is the average humidity in June in Hartford?

The average relative humidity in June is 67.3%.

How much does it rain in Hartford in June?

In Hartford, during June, the rain falls for 12.2 days and regularly aggregates up to 4.4" (110.5mm) of precipitation.

When it does not snow in Hartford?

May through October are months without snowfall in Hartford, Connecticut.

When are the longest days in Hartford?

With an average of 15.2h of daylight, June has the longest days of the year in Hartford.

What is the average length of the day in June in Hartford?

In June, the average length of the day is 15.2h.

How many hours of sunshine does Hartford have in June?

In June, the average sunshine is 9.1h.

What are the months with the highest UV index in Hartford?

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

What is the UV index intensity in June in Hartford?

The average daily maximum UV index in June is 8. A UV Index estimate of 8 to 10 represents a very high health threat from the exposure to the Sun's UV rays.
Average temperature in June - Hartford, CT
  • Average high temperature in June: 26.4°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (1.4°C).

  • Average low temperature in June: 14.1°C

The month with the highest average low temperature is July (17.1°C).
The coldest month (with the lowest average low temperature) is January (-7.9°C).

Average humidity in June - Hartford, CT
  • Average humidity in June: 67.3%

The month with the highest relative humidity is September (72.9%).
The month with the lowest relative humidity is April (58%).

Average rainfall in June - Hartford, CT
  • Average rainfall in June: 110.5mm

The wettest month (with the highest rainfall) is October (111mm).
The driest month (with the lowest rainfall) is February (73.4mm).

Average rainfall days in June - Hartford, CT
  • Average rainfall days in June: 12.2 days

The month with the highest number of rainy days is May (12.8 days).
The month with the lowest number of rainy days is February (9.7 days).

Average snowfall in June - Hartford, CT
  • Average snowfall in June: 0mm

The month with the highest snowfall is January (312.4mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in June - Hartford, CT
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.8 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in June / Average sunshine in June - Hartford, CT
  • Average daylight in June: 15.2h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.2h).

  • Average sunshine in June: 9.1h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is December (Average sunshine: 4.5h).

Average UV index in June - Hartford, CT
  • Average UV index in June: 8

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