June weather forecast
Grand Isle, ME

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Weather in June

June, the first month of the summer in Grand Isle, is an enjoyable month, with an average temperature varying between 67.5°F (19.7°C) and 47.3°F (8.5°C).

Temperature

Grand Isle in June observes a minor temperature shift, with average high-temperatures adjusting from a refreshing 58.8°F (14.9°C) in May to a comfortable 67.5°F (19.7°C). In Grand Isle, June's nights observe an average temperature dip to a frosty 47.3°F (8.5°C).

Humidity

In Grand Isle, the average relative humidity in June is 77%.

Rainfall

In Grand Isle, in June, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation. In Grand Isle, during the entire year, the rain falls for 140.8 days and collects up to 30.12" (765mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The month with the longest days is June, with an average of 15h and 54min of daylight.
On the first day of the month, sunrise is at 4:39 am and sunset at 8:21 pm. On the last day of June, sunrise is at 4:40 am and sunset at 8:32 pm EDT.

Sunshine

In Grand Isle, the average sunshine in June is 8.4h.

UV index

The months with the highest UV index are June and July, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In June, the UV index of 5 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the temperature in June in Grand Isle?

During June, Grand Isle experiences an average high-temperature of 67.5°F (19.7°C) and a low-temperature of 47.3°F (8.5°C).

What is the average humidity in June in Grand Isle?

The average relative humidity in June is 77%.

How much does it rain in Grand Isle in June?

In Grand Isle, in June, it is raining for 15.9 days, with typically 2.52" (64mm) of accumulated precipitation.

When it does not snow in Grand Isle?

In Grand Isle, snow does not fall in June through September.

Does it snow in Grand Isle in June?

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

When are the longest days in Grand Isle?

June has the longest days of the year in Grand Isle, with an average of 15h and 54min of daylight.

How many hours of daylight does Grand Isle have in June?

The average day length in June is 15h and 53min.

What time are sunrise and sunset in June in Grand Isle?

On the first day of June in Grand Isle, sunrise is at 4:39 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 4:40 am and sunset at 8:32 pm EDT.

How long on average sun shines in June in Grand Isle?

The average sunshine duration in June is 8.4h.

What are the months with the highest UV index in Grand Isle?

The months with the highest UV index in Grand Isle, Maine, are June and July, with an average maximum UV index of 5.

How high is the UV index in June in Grand Isle?

The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Grand Isle, ME

Average temperature in June - Grand Isle, ME
  • Average high temperature in June: 67.5°F

The warmest month (with the highest average high temperature) is July (74.3°F).
The month with the lowest average high temperature is January (18°F).

  • Average low temperature in June: 47.3°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is January (2.8°F).

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Average pressure in June
Grand Isle, ME

Average pressure in June - Grand Isle, ME
  • Average pressure in June: 29.88"Hg

The months with the highest atmospheric pressure are March, September and November (30.01"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in June
Grand Isle, ME

Average wind speed in June - Grand Isle, ME
  • Average wind speed in June: 6.8mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in June
Grand Isle, ME

Average humidity in June - Grand Isle, ME
  • Average humidity in June: 77%

The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in June
Grand Isle, ME

Average rainfall in June - Grand Isle, ME
  • Average rainfall in June: 2.52"

The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in June
Grand Isle, ME

Average rainfall days in June - Grand Isle, ME
  • Average rainfall days in June: 15.9 days

The month with the highest number of rainy days is July (17.1 days).
The months with the least rainy days are January and February (4.3 days).

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Average snowfall in June
Grand Isle, ME

Average snowfall in June - Grand Isle, ME
  • Average snowfall in June: 0"

The month with the highest snowfall is January (14.92").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Grand Isle, ME

Average snowfall days in June - Grand Isle, ME
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Grand Isle, ME

Average daylight in June / Average sunshine in June - Grand Isle, ME
  • Average daylight in June: 15h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in June: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 6min).

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Average sunshine days in June
Grand Isle, ME

Average sunshine days in June - Grand Isle, ME
  • Average sunshine days in June: 12.7 days

The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is April (7.9 days).

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Average UV index in June
Grand Isle, ME

Average UV index in June - Grand Isle, ME
  • Average UV index in June: 5

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in June
Grand Isle, ME

Average cloud cover in June - Grand Isle, ME
  • Average cloud cover in June: 47

The month with the most cloud cover is February (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 42).

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Average visibility in June
Grand Isle, ME

Average visibility in June - Grand Isle, ME
  • Average visibility in June: 5mi

The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

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Grand Isle, Maine, USA

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