June weather forecastMystic, CT
June
Weather in June
The onset of June indicates the arrival of summer to Mystic, with average high temperatures reaching 70.9°F (21.6°C). The longer daylight hours, offering a maximum of 15.1 hours, mark the summer solstice period. This transitional phase into summer imbues the city with a vibrant hustle and bustle as locals and tourists alike venture outdoors to make the most of the warm weather and clear skies. Activities focused around the sparkling Mystic seashore, particularly bathing in the sea, become increasingly popular. June truly begins to highlight Mystic's appeal as a picturesque summer retreat.Temperature
June brings a slight elevation in the average high-temperature, transitioning from May's comfortable 62.6°F (17°C) to a pleasant 70.9°F (21.6°C). During June nights, Mystic records an average temperature of 59.4°F (15.2°C).Humidity
June is the most humid month, with an average relative humidity of 81%.Rainfall
In Mystic, in June, it is raining for 15.8 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 166.1 rainfall days, and 34.09" (866mm) of precipitation is accumulated.Snowfall
In Mystic, snow does not fall in May through September.Ocean temperature
In June, the average ocean temperature is 60.8°F (16°C).Note: In 60.8°F (16°C), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 69.8°F (21°C).
Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:16 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 5:18 am and sunset at 8:25 pm EDT.
Sunshine
In Mystic, the average sunshine in June 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in June interprets into the following advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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 sea temperature in June
Mystic, CT
- Average sea temperature in June: 60.9°F
The best month for swimming (with the highest average sea temperature) is August (70.3°F).
The coldest month (with the lowest average sea temperature) is February (37.9°F).
Average daylight in June /
Average sunshine in June
Mystic, 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 12min).
- Average sunshine in June: 9h and 36min
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
Mystic, 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
Mystic, 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
Mystic, 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
Mystic, 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).
