June weather forecastOld Saybrook, CT
June
Weather in June
June initiates summer in Old Saybrook with warming temperatures, protracted sunshine, and substantial daylight hours. The region's atmosphere becomes vibrant under the bright sun, inviting residents and tourists to bask in the outdoors. Rainfall is common but well distributed throughout the month, ensuring frequent freshening of the environment. High relative humidity persists in June, around 78%. The average high soars to 73°F (22.8°C), making June one of the warmer months of the year.Temperature
Old Saybrook's June weather indicates a minor ascent in high-temperatures, adjusting from a refreshing 64.9°F (18.3°C) in May to a pleasant 73°F (22.8°C). An average low-temperature of 58.8°F (14.9°C) is observed during June nights.Humidity
May through July, with an average relative humidity of 78%, are the most humid months.Rainfall
In Old Saybrook, in June, during 16.5 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 166.2 rainfall days, and 34.8" (884mm) of precipitation is accumulated.Snowfall
June through October are months without snowfall.Ocean temperature
In June, the average ocean temperature is 62.1°F (16.7°C).Note: Swimming in 62.1°F (16.7°C) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 69.8°F (21°C) to 59°F (15°C).
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 5:20 am and sunset at 8:26 pm EDT.
Sunshine
In Old Saybrook, 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 of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 6 during June, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Old Saybrook, CT
- Average high temperature in June: 73°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in June: 58.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).
Average pressure in June
Old Saybrook, 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 Saybrook, CT
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in June
Old Saybrook, CT
- Average humidity in June: 78%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in June
Old Saybrook, CT
- Average rainfall in June: 2.91"
The wettest month (with the highest rainfall) is December (3.66").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in June
Old Saybrook, CT
- Average rainfall days in June: 16.5 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9 days).
Average snowfall in June
Old Saybrook, CT
- Average snowfall in June: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in June
Old Saybrook, CT
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in June
Old Saybrook, CT
- Average sea temperature in June: 62°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in June /
Average sunshine in June
Old Saybrook, 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 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 48min).
Average sunshine days in June
Old Saybrook, CT
- Average sunshine days in June: 11.8 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in June
Old Saybrook, 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 Saybrook, CT
- Average cloud cover in June: 37
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 29).
Average visibility in June
Old Saybrook, 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).





