July weather forecast
Isle au Haut, ME

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Weather in July

July is a comfortable 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

As June gives way to July, the average high-temperature displays a slight ascent, adjusting from a mild 57.9°F (14.4°C) to a still refreshing 64.4°F (18°C). Throughout July nights, Isle au Haut records a consistent low-temperature averaging a still refreshing 60.4°F (15.8°C).

Humidity

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

Rainfall

In Isle au Haut, in July, during 11.6 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Isle au Haut, during the entire year, the rain falls for 109.9 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

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

Daylight

In Isle au Haut, the average length of the day in July 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

The average sunshine in July is 9.9h.

UV index

The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In July, a daily UV index of 5 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Isle au Haut in July?

An average high-temperature, in July, in Isle au Haut, is 64.4°F (18°C) and the average low-temperature is 60.4°F (15.8°C).

What is the most humid month?

June through August, with an average relative humidity of 86%, are most humid months.

What is the average humidity in July?

The average relative humidity in July is 86%.

How many days does it rain in July?

In Isle au Haut, during July, the rain falls for 11.6 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

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

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

When are sunrise and sunset in July?

On the first day of July, 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?

The average sunshine duration in July is 9.9h.

What is the month with the highest UV index?

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

What is the UV index intensity in July?

In Isle au Haut, the average daily maximum UV index in July is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe 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 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Isle au Haut, Maine, USA

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