July weather forecast
Belfast, ME

Weather in July

July in Belfast, Maine, is a moderately hot summer month, with an average temperature fluctuating between 73.9°F (23.3°C) and 57.7°F (14.3°C).

Temperature

July and August, with an average high-temperature of 73.9°F (23.3°C), are the warmest months.

Humidity

February and July, with an average relative humidity of 83%, are the most humid months in Belfast.

Rainfall

The months with the least rainfall in Belfast are July and September Rain falls for 14.5 days and accumulates 1.46" (37mm) of rain.

Snowfall

June through September are months without snowfall.

Ocean temperature

In Belfast, in July, the average water temperature is 58.5°F (14.7°C).
Note: Swimming in 58.5°F (14.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Belfast, Maine, the average length of the day in July is 15h and 8min.
On the first day of July, sunrise is at 4:55 am and sunset at 8:24 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:02 pm EDT.

Sunshine

The average sunshine in July in Belfast, Maine, is 9.4h.

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 ordinary individuals.
Note: In July, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What are the warmest months in Belfast?

Warmest months in Belfast, Maine, are July and August, with an average high-temperature of 73.9°F (23.3°C).

What are the most humid months in Belfast?

February and July, with an average relative humidity of 83%, are most humid months in Belfast, Maine.

What is the average humidity in July in Belfast?

In Belfast, Maine, the average relative humidity in July is 83%.

What is the driest month in Belfast?

The months with the least rainfall in Belfast, Maine, are July and September Rain falls for 14.5 days and accumulates 1.46" (37mm) of rain.

How many days does it rain in July in Belfast?

In Belfast, in July, during 14.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow in Belfast?

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

What is the water temperature in July in Belfast?

In July, the average ocean temperature in Belfast, Maine, is 58.5°F (14.7°C). Swimming in 58.5°F (14.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in July in Belfast?

In Belfast, Maine, the average day length in July is 15h and 8min.

When are sunrise and sunset in July in Belfast?

In July, on the first day of the month, sunrise is at 4:55 am and sunset at 8:24 pm. On the last day of the month, in Belfast, Maine, sunrise is at 5:22 am and sunset at 8:02 pm EDT.

How many hours of sunshine does Belfast have in July?

In Belfast, the average sunshine duration in July is 9.4h.

When is 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.

How high is the UV index in July in Belfast?

The average daily maximum UV index in July in Belfast, Maine, is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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 July
Belfast, ME

Average temperature in July - Belfast, ME
  • Average high temperature in July: 73.9°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 July: 57.7°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 July
Belfast, ME

Average pressure in July - Belfast, ME
  • Average pressure in July: 29.93"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 July
Belfast, ME

Average wind speed in July - Belfast, ME
  • Average wind speed in July: 6mph

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 July
Belfast, ME

Average humidity in July - Belfast, ME
  • Average humidity in July: 83%

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 July
Belfast, ME

Average rainfall in July - Belfast, ME
  • Average rainfall in July: 1.46"

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 July
Belfast, ME

Average rainfall days in July - Belfast, ME
  • Average rainfall days in July: 14.5 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 July
Belfast, ME

Average snowfall in July - Belfast, ME
  • Average snowfall in July: 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 July
Belfast, ME

Average snowfall days in July - Belfast, ME
  • Average snowfall days in July: 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 July
Belfast, ME

Average sea temperature in July - Belfast, ME
  • Average sea temperature in July: 58.5°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 July /
Average sunshine in July
Belfast, ME

Average daylight in July / Average sunshine in July - Belfast, ME
  • Average daylight in July: 15h and 8min

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 July: 9h and 24min

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 July
Belfast, ME

Average sunshine days in July - Belfast, ME
  • Average sunshine days in July: 14.7 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 July
Belfast, ME

Average UV index in July - Belfast, ME
  • Average UV index in July: 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 July
Belfast, ME

Average cloud cover in July - Belfast, ME
  • Average cloud cover in July: 41

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 July
Belfast, ME

Average visibility in July - Belfast, ME
  • Average visibility in July: 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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