June weather forecastSouthwest Harbor, ME
June
Weather in June
The first month of the summer, June, is a refreshing month in Southwest Harbor, Maine, with an average temperature fluctuating between 66°F (18.9°C) and 51.4°F (10.8°C).Temperature
Southwest Harbor's transition into June sees a mild rise in the average high-temperature, edging from a mild 58.6°F (14.8°C) in May to a still refreshing 66°F (18.9°C). In Southwest Harbor, the average low-temperature during the month of June is a cool 51.4°F (10.8°C).Humidity
In Southwest Harbor, Maine, the average relative humidity in June is 79%.Rainfall
In Southwest Harbor, Maine, in June, during 13.8 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 142.1 rainfall days, and 32.28" (820mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.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 4:51 am and sunset at 8:10 pm. On the last day of June, sunrise is at 4:53 am and sunset at 8:21 pm EDT.
Sunshine
In Southwest Harbor, the average sunshine in June is 8.6h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 5 during June leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Southwest Harbor, ME
- Average high temperature in June: 66°F
The warmest month (with the highest average high temperature) is August (73.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in June: 51.4°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in June
Southwest Harbor, ME
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Southwest Harbor, ME
- Average wind speed in June: 7.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in June
Southwest Harbor, ME
- Average humidity in June: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in June
Southwest Harbor, ME
- Average rainfall in June: 2.6"
The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in June
Southwest Harbor, ME
- Average rainfall days in June: 13.8 days
The month with the highest number of rainy days is April (15.5 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in June
Southwest Harbor, ME
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Southwest Harbor, ME
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Southwest Harbor, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in June
Southwest Harbor, ME
- Average sunshine days in June: 14.3 days
The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in June
Southwest Harbor, 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 January, February, March, November and December (UV index 2).
Average cloud cover in June
Southwest Harbor, ME
- Average cloud cover in June: 44
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 35).
Average visibility in June
Southwest Harbor, ME
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
