June weather forecastSouth Lyme, CT
June
Weather in June
June, the first month of the summer in South Lyme, is a pleasant month, with an average temperature varying between 72.7°F (22.6°C) and 58.8°F (14.9°C).Temperature
June brings a slight increase in the average high-temperature, progressing from an enjoyable 64.8°F (18.2°C) in May to a pleasant 72.7°F (22.6°C). The month of June records an average 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 South Lyme, in June, during 10 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In South Lyme, Connecticut, during the entire year, the rain falls for 110.7 days and collects up to 8.58" (218mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:17 am and sunset at 8:16 pm. On the last day of June, sunrise is at 5:19 am and sunset at 8:26 pm EDT.
Sunshine
In South Lyme, the average sunshine in June 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 risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 6 during June leads to these instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South Lyme, CT
- Average daylight in June: 15h and 6min
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 30min
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
South 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
South 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
South 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
South 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).
