June weather forecastOnset, MA
June
Weather in June
June, the first month of the summer in Onset, is a comfortable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 58.5°F (14.7°C).Temperature
Onset's June weather indicates a minor increase in high-temperatures, edging from May's moderate 59.5°F (15.3°C) to a still refreshing 67.6°F (19.8°C). An average nighttime temperature of 58.5°F (14.7°C) is recorded during June.Humidity
The months with the highest humidity are June and July, with an average relative humidity of 81%.Rainfall
In Onset, in June, during 14.7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. Throughout the year, there are 157.4 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Ocean temperature
In Onset, the average seawater temperature in June is 58.6°F (14.8°C).Note: Caution: 58.6°F (14.8°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
The month with the longest days in Onset is June, with an average of 15h and 12min of daylight.On the first day of June, sunrise is at 5:09 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 5:11 am and sunset at 8:21 pm EDT.
Sunshine
In June, the average sunshine is 9.5h.UV index
In June, the average daily maximum UV index in Onset is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during June leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. 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
Onset, MA
- Average high temperature in June: 67.6°F
The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in June: 58.5°F
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in June
Onset, 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
Onset, MA
- Average wind speed in June: 9.4mph
The windiest month (with the highest average wind speed) is January (13.7mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in June
Onset, MA
- Average humidity in June: 81%
The months with the highest relative humidity are June and July (81%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in June
Onset, MA
- Average rainfall in June: 2.52"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in June
Onset, MA
- Average rainfall days in June: 14.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (9 days).
Average snowfall in June
Onset, MA
- Average snowfall in June: 0"
The months with the highest snowfall are February and March (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Onset, MA
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in June
Onset, MA
- Average sea temperature in June: 58.6°F
The best month for swimming (with the highest average sea temperature) is August (68.4°F).
The coldest month (with the lowest average sea temperature) is February (38.2°F).
Average daylight in June /
Average sunshine in June
Onset, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in June
Onset, MA
- Average sunshine days in June: 13.8 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in June
Onset, 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
Onset, MA
- Average cloud cover in June: 37
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in June
Onset, 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).
