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 sea temperature 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
Deer Isle witnesses the warmest weather in August, with temperatures averaging a high of 68.9°F (20.5°C) and a low of 59.9°F (15.5°C).Humidity
In Deer Isle, Maine, the average relative humidity in August is 84%.Rainfall
In August, in Deer Isle, the rain falls for 10.2 days. Throughout August, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 115.5 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Deer Isle, Maine.Ocean temperature
The month with the warmest seawater is August, with an average ocean temperature of 58.6°F (14.8°C).Note: Engaging in a swim in 58.6°F (14.8°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
The average length of the day in August in Deer Isle is 13h and 58min.On the first day of August, sunrise is at 5:23 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:12 pm EDT.
Sunshine
August has the most sunshine of the year in Deer Isle, with an average of 10.4h of sunshine.UV index
The months with the highest UV index in Deer Isle are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the warmest month in Deer Isle?
What is the usual temperature for Deer Isle in August?
What is the average humidity in August in Deer Isle?
How much does it rain in Deer Isle in August?
When it does not snow in Deer Isle?
What is the month with the warmest ocean in Deer Isle?
What is the ocean temperature in August in Deer Isle?
What is the average length of the day in August in Deer Isle?
When are sunrise and sunset in August in Deer Isle?
What month has the most sunshine in Deer Isle?
How many hours of sunshine does Deer Isle have in August?
What is the month with the highest UV index in Deer Isle?
What is the UV index intensity in August in Deer Isle?
Average temperature in August
Deer Isle, ME
- Average high temperature in August: 68.9°F
The warmest month (with the highest average high temperature) is August (68.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in August: 59.9°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in August
Deer Isle, 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
Deer Isle, ME
- Average wind speed in August: 7.8mph
The windiest month (with the highest average wind speed) is January (14.4mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in August
Deer Isle, ME
- Average humidity in August: 84%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (76%).
Average rainfall in August
Deer Isle, ME
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is October (2.09").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in August
Deer Isle, ME
- Average rainfall days in August: 10.2 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in August
Deer Isle, ME
- Average snowfall in August: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Deer Isle, ME
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
Deer Isle, ME
- Average sea temperature in August: 58.6°F
The best month for swimming (with the highest average sea temperature) is August (58.6°F).
The coldest month (with the lowest average sea temperature) is March (38.2°F).
Average daylight in August /
Average sunshine in August
Deer Isle, ME
- Average daylight in August: 14h and 0min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in August: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in August
Deer Isle, ME
- Average sunshine days in August: 19.3 days
The month with the most sunshine days is September (19.9 days).
The month with the least sunshine days is July (15.4 days).
Average UV index in August
Deer Isle, ME
- Average UV index in August: 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).
Average cloud cover in August
Deer Isle, ME
- Average cloud cover in August: 31
The months with the most cloud cover are February and March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in August
Deer Isle, 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).
Deer Isle, Maine, USA
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