June weather forecast
Bar Harbor, ME

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The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island
The popular tourist spot of Bar Harbor in Maine, within the Mount Desert Island

Weather in June

June brings a significant rise in temperature, marking the onset of summer in Bar Harbor. There is no snowfall during this month, reaffirming the warm summer setting. The increasing hours of sunshine pave the way for outdoor activities and beach visits. It is the time when Bar Harbor truly comes alive with its offering of summer activities. Hiking, biking, bird watching, and similar activities become common pursuits during this period.

Temperature

In June, the average high-temperature marginally rises from a mild 58.6°F (14.8°C) in May to a comfortable 66°F (18.9°C). Bar Harbor's average low-temperature for the month of June records at a cool 51.4°F (10.8°C).

Humidity

In June, the average relative humidity is 79%.

Rainfall

In June, in Bar Harbor, the rain falls for 13.8 days. Throughout June, 2.6" (66mm) of precipitation is accumulated. In Bar Harbor, Maine, during the entire year, the rain falls for 142.1 days and collects up to 32.28" (820mm) of precipitation.

Snowfall

In Bar Harbor, snow does not fall in June through September.

Ocean temperature

In June, the average ocean temperature is 49.5°F (9.7°C).
Note: Engaging in a swim in 49.5°F (9.7°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.

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 4:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 8:21 pm EDT.

Sunshine

In Bar 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 value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 5 in June interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Bar Harbor in June?

June temperatures vary between a high-temperature of 66°F (18.9°C) and a low-temperature of 51.4°F (10.8°C).

What is the average humidity in June?

In June, the average relative humidity is 79%.

How many days does it rain in June?

In Bar Harbor, during June, the rain falls for 13.8 days and regularly aggregates up to 2.6" (66mm) 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.

What is the ocean temperature in June in Bar Harbor?

In Bar Harbor, the average seawater temperature in June is 49.5°F (9.7°C). Swimming in 49.5°F (9.7°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

When are the longest days?

With an average of 15h and 30min of daylight, June has the longest days of the year in Bar Harbor.

What is the average length of the day in June?

In Bar Harbor, the average day length in June is 15h and 29min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 4:51 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 4:52 am and sunset at 8:21 pm EDT.

How long on average sun shines in June?

In Bar Harbor, the average sunshine duration in June is 8.6h.

When is 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 reading in June?

The average daily maximum UV index in June is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Bar Harbor, ME

Average temperature in June - Bar 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
Bar Harbor, ME

Average pressure in June - Bar 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
Bar Harbor, ME

Average wind speed in June - Bar 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
Bar Harbor, ME

Average humidity in June - Bar 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
Bar Harbor, ME

Average rainfall in June - Bar 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
Bar Harbor, ME

Average rainfall days in June - Bar 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
Bar Harbor, ME

Average snowfall in June - Bar 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
Bar Harbor, ME

Average snowfall days in June - Bar 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 sea temperature in June
Bar Harbor, ME

Average sea temperature in June - Bar Harbor, ME
  • Average sea temperature in June: 49.3°F

The best month for swimming (with the highest average sea temperature) is August (56.8°F).
The coldest month (with the lowest average sea temperature) is March (38.6°F).

Average daylight in June /
Average sunshine in June
Bar Harbor, ME

Average daylight in June / Average sunshine in June - Bar Harbor, 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 4min

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
Bar Harbor, ME

Average sunshine days in June - Bar 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
Bar Harbor, ME

Average UV index in June - Bar 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
Bar Harbor, ME

Average cloud cover in June - Bar 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
Bar Harbor, ME

Average visibility in June - Bar 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).

Bar Harbor, Maine, USA

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