June weather forecast
Belfast, ME

Weather in June

June, the first month of the summer in Belfast, is a comfortable month, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 66.7°F (19.3°C).

Temperature

In Belfast, the average high-temperature in June slightly increases from a mild 59.7°F (15.4°C) in May to a comfortable 66.7°F (19.3°C). In Belfast, Maine, the average low-temperature is 50.7°F (10.4°C).

Humidity

In June, the average relative humidity is 82%.

Rainfall

In Belfast, during June, the rain falls for 14.8 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Belfast, Maine, there are 141.1 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Ocean temperature

In June, the average ocean temperature in Belfast is 52°F (11.1°C).
Note: Swimming in 52°F (11.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

June has the longest days of the year, with an average of 15h and 29min of daylight.
On the first day of the month, sunrise is at 4:54 am and sunset at 8:13 pm. On the last day of June, in Belfast, sunrise is at 4:55 am and sunset at 8:24 pm EDT.

Sunshine

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

UV index

The months with the highest UV index in Belfast are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 5 in June transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in June in Belfast?

The average relative humidity in June in Belfast, Maine, is 82%.

How much does it rain in Belfast in June?

In Belfast, Maine, in June, during 14.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Belfast?

In Belfast, snow does not fall in June through September.

Does it snow in Belfast in June?

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

How cold is the water in June in Belfast?

In Belfast, Maine, the average seawater temperature in June is 52°F (11.1°C). Swimming in 52°F (11.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Belfast?

With an average of 15h and 29min of daylight, June has the longest days of the year in Belfast.

How many hours of daylight does Belfast have in June?

The average day length in June is 15h and 29min.

When are sunrise and sunset in June in Belfast?

In June, on the first day of the month, sunrise is at 4:54 am and sunset at 8:13 pm. On the last day of the month, in Belfast, Maine, sunrise is at 4:55 am and sunset at 8:24 pm EDT.

How many hours of sunshine does Belfast have in June?

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

What is the month with the highest UV index in Belfast?

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 Belfast?

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

Average temperature in June
Belfast, ME

Average temperature in June - Belfast, 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).

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Average pressure in June
Belfast, ME

Average pressure in June - Belfast, 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).

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Average wind speed in June
Belfast, ME

Average wind speed in June - Belfast, 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).

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Average humidity in June
Belfast, ME

Average humidity in June - Belfast, 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%).

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Average rainfall in June
Belfast, ME

Average rainfall in June - Belfast, 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").

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Average rainfall days in June
Belfast, ME

Average rainfall days in June - Belfast, 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).

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Average snowfall in June
Belfast, ME

Average snowfall in June - Belfast, 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").

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Average snowfall days in June
Belfast, ME

Average snowfall days in June - Belfast, 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).

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Average sea temperature in June
Belfast, ME

Average sea temperature in June - Belfast, ME
  • Average sea temperature in June: 52°F

The best month for swimming (with the highest average sea temperature) is August (60.4°F).
The coldest month (with the lowest average sea temperature) is March (37.8°F).

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

Average daylight in June / Average sunshine in June - Belfast, ME
  • Average daylight in June: 15h and 29min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in June: 8h and 18min

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).

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Average sunshine days in June
Belfast, ME

Average sunshine days in June - Belfast, 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).

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Average UV index in June
Belfast, ME

Average UV index in June - Belfast, 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).

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Average cloud cover in June
Belfast, ME

Average cloud cover in June - Belfast, 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).

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Average visibility in June
Belfast, ME

Average visibility in June - Belfast, 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).

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