Islesboro, ME Climate


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United States / Maine / No Metro Area / Waldo County / Islesboro / Zip Codes
Islesboro, ME has a moderate climate due to its location on the coast of Maine. Average temperatures in the summer are around 75 degrees Fahrenheit during the day and drop to about 50 degrees at night. Winters are cold with temperatures averaging around 30 degrees, with the occasional snowfall. The area gets about 40 inches of rain annually with most of it falling from late September to May.

Islesboro, Maine gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Islesboro averages 59 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 200 sunny days per year in Islesboro. The US average is 205 sunny days.

Islesboro gets some kind of precipitation, on average, 109 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 77 degrees
Winter Low: the January low is 8
Rain: averages 49 inches of rain a year
Snow: averages 59 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Islesboro is 6.5 (10=best), which means it is more comfortable than most places in Maine.

9.2 Summer - 4.1 Winter
August, July and June are the most pleasant months in Islesboro, while January and February are the least comfortable months.

  ClimateIslesboro, MaineUnited States
  48.7 in.38.1 in.
  59.0 in.27.8 in.
  108.6 days106.2 days
  200 days205 days
  77.0°85.8°
  7.7°21.7°
  6.57
  34.3
  43 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Islesboro with an average high temperature of 77.0°, which ranks it as one of the coolest places in Maine. In Islesboro, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Islesboro are July, August and June.
In Islesboro, there are 1.6 days annually when the high temperature is over 90°, which is one of the coolest places in Maine.
January has the coldest nighttime temperatures for Islesboro with an average of 7.7°. This is colder than most places in Maine.
In Islesboro, there are 157.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Maine.
In Islesboro, there are 19.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Maine.
Humidity in Islesboro is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.
November is the wettest month in Islesboro with 5.3 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 29% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 48.7 inches in Islesboro means that it is about average compared to other places in Maine.
May is the rainiest month in Islesboro with 10.5 days of rain, and February is the driest month with only 7.7 rainy days. There are 108.6 rainy days annually in Islesboro, which is one of the least rainy places in Maine. The rainiest season is Summer when it rains 26% of the time and the driest is Spring with only a 24% chance of a rainy day.
An annual snowfall of 59.0 inches in Islesboro means that it is less snowy than most places in Maine. January is the snowiest month in Islesboro with 17.1 inches of snow, and 6 months of the year have significant snowfall.
Reviews for Islesboro
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Over 16 years ago

Islesboro is a quiet, scenic, charming place to spend time during the summer months, but may be too isolated and bleak for many in the winter. During the summer months,  More

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