June weather forecast
Islesboro, ME

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Weather in June

June, the first month of the summer in Islesboro, is an enjoyable month, with an average temperature fluctuating between 50.7°F (10.4°C) and 66.7°F (19.3°C).

Temperature

June witnesses a minor rise in the average high-temperature, transitioning from a refreshing 59.7°F (15.4°C) in May to a comfortable 66.7°F (19.3°C). In Islesboro, an average nighttime temperature of 50.7°F (10.4°C) is expected during June.

Humidity

The average relative humidity in June is 82%.

Rainfall

In Islesboro, in June, during 14.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Islesboro, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

With an average of 15h and 30min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 4:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 4:55 am and sunset at 8:23 pm EDT.

Sunshine

In Islesboro, the average sunshine in June is 8.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in June interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What are the temperatures in June?

The average high-temperature and low-temperature during June are 66.7°F (19.3°C) and 50.7°F (10.4°C) respectively.

What is the average humidity in June?

In June, the average relative humidity is 82%.

How much does it rain in June?

In Islesboro, during June, the rain falls for 14.8 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in June?

In June, it doesn't snow. May is the latest month when it typically snows.

When are the longest days?

The month with the longest days is June, with an average of 15h and 30min of daylight.

How many hours of daylight does Islesboro have in June?

In June, the average day length is 15h and 28min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 4:54 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 4:55 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Islesboro have in June?

In Islesboro, the average sunshine duration in June is 8.3h.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 5.

What is the UV index intensity in June?

In June, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Islesboro, ME

Average temperature in June - Islesboro, ME
  • Average high temperature in June: 66.7°F

The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in June: 50.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure in June
Islesboro, ME

Average pressure in June - Islesboro, 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
Islesboro, ME

Average wind speed in June - Islesboro, ME
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in June
Islesboro, ME

Average humidity in June - Islesboro, ME
  • Average humidity in June: 82%

The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in June
Islesboro, ME

Average rainfall in June - Islesboro, ME
  • Average rainfall in June: 2.09"

The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").

Average rainfall days in June
Islesboro, ME

Average rainfall days in June - Islesboro, ME
  • Average rainfall days in June: 14.8 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).

Average snowfall in June
Islesboro, ME

Average snowfall in June - Islesboro, ME
  • Average snowfall in June: 0"

The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in June
Islesboro, ME

Average snowfall days in June - Islesboro, ME
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Islesboro, ME

Average daylight in June / Average sunshine in June - Islesboro, ME
  • Average daylight in June: 15h and 3min

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 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in June
Islesboro, ME

Average sunshine days in June - Islesboro, ME
  • Average sunshine days in June: 13.6 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).

Average UV index in June
Islesboro, ME

Average UV index in June - Islesboro, 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
Islesboro, ME

Average cloud cover in June - Islesboro, ME
  • Average cloud cover in June: 47

The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in June
Islesboro, ME

Average visibility in June - Islesboro, ME
  • Average visibility in June: 5mi

The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).

Islesboro, Maine, USA

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