July weather forecast
Isle au Haut, ME

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Weather in July

July is a refreshing summer month in Isle au Haut, Maine, with an average temperature fluctuating between 64.4°F (18°C) and 60.4°F (15.8°C).

Temperature

The shift into July is accompanied by a modest temperature increase, with the average high-temperature edging up from 57.9°F (14.4°C) in June to a still refreshing 64.4°F (18°C). Isle au Haut's nocturnal readings in July exhibit minimal variation from the daytime temperatures, averaging at a moderate 60.4°F (15.8°C).

Humidity

The months with the highest humidity are June through August, with an average relative humidity of 86%.

Rainfall

In Isle au Haut, in July, it is raining for 11.6 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, in Isle au Haut, there are 109.9 rainfall days, and 9.72" (247mm) of precipitation is accumulated.

Snowfall

In Isle au Haut, Maine, snow does not fall in May through October.

Daylight

In July, the average length of the day in Isle au Haut, Maine, is 15h and 6min.
On the first day of the month, sunrise is at 4:55 am and sunset at 8:21 pm. On the last day of July, sunrise is at 5:22 am and sunset at 7:59 pm EDT.

Sunshine

In July, the average sunshine in Isle au Haut is 9.9h.

UV index

The months with the highest UV index in Isle au Haut are July and August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 5 during July, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the temperature in July in Isle au Haut?

Isle au Haut in July has an average high-temperature of 64.4°F (18°C) and an average low-temperature of 60.4°F (15.8°C).

What is the most humid month in Isle au Haut?

June through August, with an average relative humidity of 86%, are most humid months in Isle au Haut, Maine.

What is the average humidity in July in Isle au Haut?

In Isle au Haut, the average relative humidity in July is 86%.

How many days does it rain in July in Isle au Haut?

In Isle au Haut, Maine, in July, it is raining for 11.6 days, with typically 0.79" (20mm) of accumulated precipitation.

When it does not snow in Isle au Haut?

May through October are months without snowfall in Isle au Haut, Maine.

How many hours of daylight does Isle au Haut have in July?

In July, the average day length in Isle au Haut is 15h and 6min.

When are sunrise and sunset in July in Isle au Haut?

In July, on the first day of the month, sunrise is at 4:55 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 7:59 pm EDT.

How long on average sun shines in July in Isle au Haut?

The average sunshine duration in July is 9.9h.

What are the months with the highest UV index in Isle au Haut?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Isle au Haut.

What is the UV index reading in July in Isle au Haut?

In Isle au Haut, Maine, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 July
Isle au Haut, ME

Average temperature in July - Isle au Haut, ME
  • Average high temperature in July: 64.4°F

The warmest month (with the highest average high temperature) is August (65.7°F).
The month with the lowest average high temperature is January (34.7°F).

  • Average low temperature in July: 60.4°F

The month with the highest average low temperature is August (61.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

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Average pressure in July
Isle au Haut, ME

Average pressure in July - Isle au Haut, 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
Isle au Haut, ME

Average wind speed in July - Isle au Haut, ME
  • Average wind speed in July: 10.3mph

The windiest month (with the highest average wind speed) is January (19.4mph).
The calmest months (with the lowest average wind speed) are July and August (10.3mph).

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Average humidity in July
Isle au Haut, ME

Average humidity in July - Isle au Haut, ME
  • Average humidity in July: 86%

The months with the highest relative humidity are June, July and August (86%).
The month with the lowest relative humidity is November (74%).

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Average rainfall in July
Isle au Haut, ME

Average rainfall in July - Isle au Haut, ME
  • Average rainfall in July: 0.79"

The wettest months (with the highest rainfall) are October and November (1.02").
The driest months (with the least rainfall) are August and September (0.55").

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Average rainfall days in July
Isle au Haut, ME

Average rainfall days in July - Isle au Haut, ME
  • Average rainfall days in July: 11.6 days

The month with the highest number of rainy days is July (11.6 days).
The month with the least rainy days is January (6.2 days).

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Average snowfall in July
Isle au Haut, ME

Average snowfall in July - Isle au Haut, ME
  • Average snowfall in July: 0"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Isle au Haut, ME

Average snowfall days in July - Isle au Haut, ME
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in July /
Average sunshine in July
Isle au Haut, ME

Average daylight in July / Average sunshine in July - Isle au Haut, ME
  • Average daylight in July: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

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Average sunshine days in July
Isle au Haut, ME

Average sunshine days in July - Isle au Haut, ME
  • Average sunshine days in July: 17.8 days

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (13.5 days).

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Average UV index in July
Isle au Haut, ME

Average UV index in July - Isle au Haut, ME
  • Average UV index in July: 5

The months with the highest UV index are 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
Isle au Haut, ME

Average cloud cover in July - Isle au Haut, ME
  • Average cloud cover in July: 34

The months with the most cloud cover are February and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in July
Isle au Haut, ME

Average visibility in July - Isle au Haut, ME
  • Average visibility in July: 6mi

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

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Isle au Haut, Maine, USA

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