June weather forecastSouth Yarmouth, MA
June
Weather in June
June, the first month of the summer in South Yarmouth, is an enjoyable month, with an average temperature ranging between min 59.4°F (15.2°C) and max 63.5°F (17.5°C).Temperature
June sees a marginal temperature increase, moving from a cool 55°F (12.8°C) in May to a comfortable 63.5°F (17.5°C). South Yarmouth reports an average low-temperature of 59.4°F (15.2°C) during the subtly cooler June nights.Humidity
The months with the highest humidity are June and July, with an average relative humidity of 84%.Rainfall
In June, the rain falls for 11.2 days. Throughout June, 1.14" (29mm) of precipitation is accumulated. In South Yarmouth, during the entire year, the rain falls for 129 days and collects up to 14.21" (361mm) of precipitation.Snowfall
In South Yarmouth, snow does not fall in May through November.Ocean temperature
In June, the average ocean temperature in South Yarmouth is 57.7°F (14.3°C).Note: In 57.7°F (14.3°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.
Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:08 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 5:09 am and sunset at 8:19 pm EDT.
Sunshine
In South Yarmouth, the average sunshine in June is 9.6h.UV index
The average daily maximum UV index in June is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in June translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
South Yarmouth, MA
- Average high temperature in June: 63.5°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in June: 59.4°F
The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in June
South Yarmouth, MA
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
South Yarmouth, MA
- Average wind speed in June: 11.7mph
The windiest month (with the highest average wind speed) is January (16.8mph).
The calmest months (with the lowest average wind speed) are July and August (10.9mph).
Average humidity in June
South Yarmouth, MA
- Average humidity in June: 84%
The months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is November (74%).
Average rainfall in June
South Yarmouth, MA
- Average rainfall in June: 1.14"
The wettest month (with the highest rainfall) is October (1.93").
The driest month (with the least rainfall) is August (0.94").
Average rainfall days in June
South Yarmouth, MA
- Average rainfall days in June: 11.2 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in June
South Yarmouth, MA
- Average snowfall in June: 0"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in June
South Yarmouth, MA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in June
South Yarmouth, MA
- Average sea temperature in June: 57.7°F
The best month for swimming (with the highest average sea temperature) is August (67.5°F).
The coldest month (with the lowest average sea temperature) is March (39°F).
Average daylight in June /
Average sunshine in June
South Yarmouth, MA
- Average daylight in June: 15h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
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 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in June
South Yarmouth, MA
- Average sunshine days in June: 16.8 days
The month with the most sunshine days is September (18.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in June
South Yarmouth, MA
- Average UV index in June: 5
The months with the highest UV index are 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 Yarmouth, MA
- Average cloud cover in June: 36
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in June
South Yarmouth, MA
- 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).





