Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Temperature records mark August as the warmest month, with highs averaging 65.7°F (18.7°C) and lows at 61.7°F (16.5°C).Humidity
June through August, with an average relative humidity of 86%, are the most humid months.Rainfall
The months with the least rainfall are August and September Rain falls for 8.4 days and accumulates 0.55" (14mm) of rain.Snowfall
In Isle au Haut, snow does not fall in May through October.Daylight
In Isle au Haut, the average length of the day in August is 13h and 58min.On the first day of the month, sunrise is at 5:23 am and sunset at 7:58 pm. On the last day of August, sunrise is at 5:57 am and sunset at 7:11 pm EDT.
Sunshine
August has the most sunshine of the year, with an average of 10.7h of sunshine.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 5 in August leads to these recommendations:
Be vigilant - Preventing sunburn is recommended. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months?
What is the temperature in August in Isle au Haut?
What is the most humid month?
What is the average humidity in August?
What is the driest month?
How many days does it rain in August?
When it does not snow?
How many hours of daylight does Isle au Haut have in August?
What time are sunrise and sunset in August?
What month has the most sunshine?
How many hours of sunshine does Isle au Haut have in August?
What is the month with the highest UV index?
What is the UV index reading in August?
Average temperature in August
Isle au Haut, ME
- Average high temperature in August: 65.7°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 August: 61.7°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 August
Isle au Haut, ME
- Average pressure in August: 29.96"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 August
Isle au Haut, ME
- Average wind speed in August: 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 August
Isle au Haut, ME
- Average humidity in August: 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 August
Isle au Haut, ME
- Average rainfall in August: 0.55"
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 August
Isle au Haut, ME
- Average rainfall days in August: 8.4 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 August
Isle au Haut, ME
- Average snowfall in August: 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 August
Isle au Haut, ME
- Average snowfall days in August: 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 August /
Average sunshine in August
Isle au Haut, ME
- Average daylight in August: 14h and 0min
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 August: 10h and 4min
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 August
Isle au Haut, ME
- Average sunshine days in August: 21.2 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 August
Isle au Haut, ME
- Average UV index in August: 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 August
Isle au Haut, ME
- Average cloud cover in August: 29
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 August
Isle au Haut, ME
- Average visibility in August: 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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