June weather forecastSumner, ME
June
Weather in June
The first month of the summer, June, is a pleasant month in Sumner, Maine, with an average temperature varying between 70°F (21.1°C) and 48.7°F (9.3°C).Temperature
The transition from May to June brings a subtle temperature rise, with average high-temperatures increasing from a refreshing 62.6°F (17°C) to an agreeable 70°F (21.1°C). The nights of June anticipate an average low-temperature of 48.7°F (9.3°C).Humidity
The average relative humidity in June is 78%.Rainfall
In June, the rain falls for 15.5 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. In Sumner, during the entire year, the rain falls for 146.3 days and collects up to 28.31" (719mm) of precipitation.Snowfall
In Sumner, Maine, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 30min of daylight.On the first day of the month, sunrise is at 5:00 am and sunset at 8:19 pm. On the last day of June, sunrise is at 5:01 am and sunset at 8:30 pm EDT.
Sunshine
In Sumner, the average sunshine in June is 8.4h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in June converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Sumner, ME
- Average high temperature in June: 70°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in June: 48.7°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in June
Sumner, ME
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Sumner, ME
- Average wind speed in June: 5.2mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in June
Sumner, ME
- Average humidity in June: 78%
The months with the highest relative humidity are January, February and March (86%).
The months with the lowest relative humidity are May and November (76%).
Average rainfall in June
Sumner, ME
- Average rainfall in June: 2.76"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in June
Sumner, ME
- Average rainfall days in June: 15.5 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in June
Sumner, ME
- Average snowfall in June: 0"
The month with the highest snowfall is February (12.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Sumner, ME
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Sumner, ME
- Average daylight in June: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in June: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in June
Sumner, ME
- Average sunshine days in June: 12.4 days
The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).
Average UV index in June
Sumner, ME
- Average UV index in June: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in June
Sumner, ME
- Average cloud cover in June: 48
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 40).
Average visibility in June
Sumner, ME
- Average visibility in June: 5mi
The months with the highest visibility are May, June, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, July, August and September (4mi).
