June weather forecast
Stonington, CT

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The classy and nice riverside homes by the Mystic River in Stonington, Connecticut
The classy and nice riverside homes by the Mystic River in Stonington, Connecticut

Weather in June

With the beginning of June, Stonington experiences the true onset of summer. The temperature peaks towards the second half of the month, without any signs of rainfall or snowfall. The city boasts an average of 15.1 daylight hours, the maximum across the year. Long sunny days, inviting outdoor events, and coastal delights make June a sought-after time for exploring the city. The increase in tourism is correlated with the onset of the summer months.

Temperature

Entering June, Stonington notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 62.6°F (17°C) to an agreeable 70.9°F (21.6°C). The low-temperature averages to a refreshing 59.4°F (15.2°C) during the nights of June.

Humidity

With an average relative humidity of 81%, June is the most humid month.

Rainfall

In Stonington, in June, it is raining for 15.8 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, in Stonington, there are 166.1 rainfall days, and 34.09" (866mm) of precipitation is accumulated.

Snowfall

In Stonington, snow does not fall in May through September.

Daylight

June has the longest days of the year, with an average of 15h and 6min of daylight.
On the first day of June, sunrise is at 5:16 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:24 pm EDT.

Sunshine

In June, the average sunshine in Stonington is 9.6h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June?

During June, Stonington experiences an average high-temperature of 70.9°F (21.6°C) and a low-temperature of 59.4°F (15.2°C).

What is the most humid month?

June is the most humid month, with an average relative humidity of 81%.

What is the average humidity in June?

In June, the average relative humidity is 81%.

How many days does it rain in June?

In Stonington, during June, the rain falls for 15.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

When it does not snow?

May through September are months without snowfall in Stonington.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year in Stonington.

What is the average length of the day in June?

In Stonington, Connecticut, the average day length in June is 15h and 7min.

When are sunrise and sunset in June in Stonington?

On the first day of June, sunrise is at 5:16 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:17 am and sunset at 8:24 pm EDT.

How long on average sun shines in June?

The average sunshine duration in June is 9.6h.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the UV index intensity in June?

In Stonington, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Stonington, CT

Average temperature in June - Stonington, CT
  • Average high temperature in June: 70.9°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in June: 59.4°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

Average pressure in June
Stonington, CT

Average pressure in June - Stonington, CT
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in June
Stonington, CT

Average wind speed in June - Stonington, CT
  • Average wind speed in June: 8.6mph

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in June
Stonington, CT

Average humidity in June - Stonington, CT
  • Average humidity in June: 81%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are January, March, April and November (74%).

Average rainfall in June
Stonington, CT

Average rainfall in June - Stonington, CT
  • Average rainfall in June: 2.83"

The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in June
Stonington, CT

Average rainfall days in June - Stonington, CT
  • Average rainfall days in June: 15.8 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.1 days).

Average snowfall in June
Stonington, CT

Average snowfall in June - Stonington, CT
  • Average snowfall in June: 0"

The month with the highest snowfall is March (2.44").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Stonington, CT

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

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Stonington, CT

Average daylight in June / Average sunshine in June - Stonington, CT
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in June
Stonington, CT

Average sunshine days in June - Stonington, CT
  • Average sunshine days in June: 11.7 days

The month with the most sunshine days is November (16.5 days).
The months with the least sunshine days are June and July (11.7 days).

Average UV index in June
Stonington, CT

Average UV index in June - Stonington, CT
  • Average UV index in June: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average cloud cover in June
Stonington, CT

Average cloud cover in June - Stonington, CT
  • Average cloud cover in June: 37

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in June
Stonington, CT

Average visibility in June - Stonington, CT
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Stonington, Connecticut, USA

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