June weather forecast
Old Lyme, CT

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Weather in June

The first month of the summer, June, is an agreeable month in Old Lyme, Connecticut, with an average temperature varying between 58.8°F (14.9°C) and 72.7°F (22.6°C).

Temperature

A slight uplift in the average high-temperature marks June, adjusting from May's enjoyable 64.8°F (18.2°C) to a pleasant 72.7°F (22.6°C). June is noted for a mean low-temperature of 58.8°F (14.9°C).

Humidity

The months with the highest humidity are June and July, with an average relative humidity of 79%.

Rainfall

In Old Lyme, Connecticut, in June, during 10 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 110.7 rainfall days, and 8.58" (218mm) of precipitation is accumulated.

Snowfall

In Old Lyme, snow does not fall in April through October.

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 5:18 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:26 pm EDT.

Sunshine

The average sunshine in June in Old Lyme, Connecticut, is 9.5h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June?

June temperatures vary between a high-temperature of 72.7°F (22.6°C) and a low-temperature of 58.8°F (14.9°C).

What is the most humid month?

The months with the highest humidity are June and July, with an average relative humidity of 79%.

What is the average humidity in June?

The average relative humidity in June is 79%.

How much does it rain in June?

In June, the rain falls for 10 days. Throughout June, 0.79" (20mm) of precipitation is accumulated.

When it does not snow?

In Old Lyme, snow does not fall in April through October.

When are the longest days?

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

How many hours of daylight does Old Lyme have in June?

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

What time are sunrise and sunset in June?

On the first day of June, sunrise is at 5:18 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Old Lyme have in June?

In June, the average sunshine duration is 9.5h.

When is the highest UV index?

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

How high is the UV index in June?

In Old Lyme, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
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
Old Lyme, CT

Average temperature in June - Old Lyme, CT
  • Average high temperature in June: 72.7°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in June: 58.8°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in June
Old Lyme, CT

Average pressure in June - Old Lyme, 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
Old Lyme, CT

Average wind speed in June - Old Lyme, CT
  • Average wind speed in June: 7.6mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in June
Old Lyme, CT

Average humidity in June - Old Lyme, CT
  • Average humidity in June: 79%

The months with the highest relative humidity are June and July (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in June
Old Lyme, CT

Average rainfall in June - Old Lyme, CT
  • Average rainfall in June: 0.79"

The wettest month (with the highest rainfall) is December (0.94").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in June
Old Lyme, CT

Average rainfall days in June - Old Lyme, CT
  • Average rainfall days in June: 10 days

The month with the highest number of rainy days is July (11.5 days).
The months with the least rainy days are February and November (6.6 days).

Average snowfall in June
Old Lyme, CT

Average snowfall in June - Old Lyme, CT
  • Average snowfall in June: 0"

The month with the highest snowfall is March (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Old Lyme, CT

Average snowfall days in June - Old Lyme, CT
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Old Lyme, CT

Average daylight in June / Average sunshine in June - Old Lyme, 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in June
Old Lyme, CT

Average sunshine days in June - Old Lyme, CT
  • Average sunshine days in June: 17.4 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (15.8 days).

Average UV index in June
Old Lyme, CT

Average UV index in June - Old Lyme, 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, November and December (UV index 2).

Average cloud cover in June
Old Lyme, CT

Average cloud cover in June - Old Lyme, CT
  • Average cloud cover in June: 36

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in June
Old Lyme, CT

Average visibility in June - Old Lyme, 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).

Old Lyme, Connecticut, USA

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