July weather forecast and climate
Belfast, ME

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

Temperature

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

Humidity

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

Rainfall

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

In Belfast snow does not fall in June through September.

Ocean temperature

In Belfast, the average seawater temperature in July is 58.5°F (14.7°C).
Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

Daylight

In July, the average length of the day in Belfast is 15.1h.

Sunshine

In July, the average sunshine 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 estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 in July transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 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.

What is the warmest month in Belfast?

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

What is the temperature in July in Belfast?

In Belfast, in July, the average high-temperature is 73.9°F (23.3°C), and the average low-temperature is 57.7°F (14.3°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.

What is the average humidity in July in Belfast?

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

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.

What is the driest month in Belfast?

July and September are months with the least rain in Belfast, Maine, when the rain falls for 14.5 days and typically aggregates up to 1.46" (37mm) of rain.

When it does not snow in Belfast?

In Belfast snow does not fall in June through September.

What is the ocean temperature in July in Belfast?

In July, the average ocean temperature 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.

How many hours of daylight does Belfast have in July?

In Belfast, the average length of the day in July is 15.1h.

How many hours of sunshine does Belfast have in July?

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

What are the months with the highest UV index in Belfast?

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 July in Belfast?

In Belfast, Maine, the average daily maximum UV index in July is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to the Sun's UV rays.
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).

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

The month with the highest atmospheric pressure is September (30.04").
The month with the lowest atmospheric pressure is June (29.91").

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).

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

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

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").

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).

Average snowfall in July - Belfast, ME
  • Average snowfall in July: 0"

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

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).
Months with the least snowfall days are June, July, August and September (0 days).

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).

Average daylight in July / Average sunshine in July - Belfast, ME
  • Average daylight in July: 15.1h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in July: 9.4h

The month with the most sunshine is August (Average sunshine: 9.9h).
The month with the least sunshine is February (Average sunshine: 4.3h).

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).

Average UV index in July - Belfast, ME
  • Average UV index in July: 5

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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).
Months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in July - Belfast, ME
  • Average visibility in July: 5mi

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