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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Islesboro, Maine, with an average temperature varying between 16.2°F (-8.8°C) and 28.4°F (-2°C). Islesboro's January weather reaches an average high of 28.4°F (-2°C) and an average low of 16.2°F (-8.8°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Islesboro, is also a subzero cold month, with an average temperature fluctuating between 17.4°F (-8.1°C) and 29.8°F (-1.2°C). Islesboro, Maine, ushers in February with an average high-temperature of a still freezing cold 29.8°F (-1.2°C), showing a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Islesboro, is an icy month, with temperature in the range of an average low of 24.3°F (-4.3°C) and an average high of 37°F (2.8°C). March's arrival is noted with a slight increase in the average high-temperature, moving from a subzero cold 29.8°F (-1.2°C) in February to a wintry 37°F (2.8°C). Weather in March »
Weather in April
April in Islesboro, Maine, is a frosty spring month, with an average temperature varying between 34.5°F (1.4°C) and 48.9°F (9.4°C). In Islesboro, stepping into April brings a temperature increase, moving up from March's icy 37°F (2.8°C) to a frosty 48.9°F (9.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Islesboro, Maine, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 59.7°F (15.4°C). As April gives way to May, the average high-temperature displays an increase, moving from a frosty 48.9°F (9.4°C) to a mild 59.7°F (15.4°C). Weather in May »
Weather in June
June, the first month of the summer in Islesboro, is an enjoyable month, with temperature in the range of an average high of 66.7°F (19.3°C) and an average low of 50.7°F (10.4°C). As Islesboro welcomes June, the average high-temperature sees a modest rise, transitioning from a refreshing 59.7°F (15.4°C) in May to a comfortable 66.7°F (19.3°C). Weather in June »
Weather in July
July in Islesboro, Maine, is a warm summer month, with an average temperature ranging between max 73.9°F (23.3°C) and min 57.7°F (14.3°C). The months of July and August bring the highest temperatures, averaging a high of 73.9°F (23.3°C). Weather in July »
Weather in August
August, the last month of the summer in Islesboro, is another warm month, with an average temperature fluctuating between 56.8°F (13.8°C) and 73.9°F (23.3°C). Islesboro witnesses its highest temperatures in July and August, reaching an average of 73.9°F (23.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Islesboro, is still a comfortable month, with an average temperature varying between 67.1°F (19.5°C) and 51.1°F (10.6°C). September brings a slight decrease in the average high-temperature, shifting from a moderately hot 73.9°F (23.3°C) in August to a refreshing 67.1°F (19.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Islesboro, Maine, with an average temperature fluctuating between 55.8°F (13.2°C) and 43.2°F (6.2°C). Start of October brings a shift in the average high-temperature, falling from September's 67.1°F (19.5°C) to a still refreshing 55.8°F (13.2°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Islesboro, Maine, with temperature in the range of an average low of 32.7°F (0.4°C) and an average high of 44.1°F (6.7°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's moderate 55.8°F (13.2°C) to a frosty 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Islesboro, is also a wintry month, with an average temperature fluctuating between 34.2°F (1.2°C) and 24.1°F (-4.4°C). The shift from November to December corresponds with a decrease in the average high-temperature, down to a wintry 34.2°F (1.2°C) from a chilly 44.1°F (6.7°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Islesboro?
With average high temperatures of 28.4°F (-2°C) and lows of 16.2°F (-8.8°C), January is the coldest month.
How many days does it rain in Islesboro?
Throughout the year, in Islesboro, there are 141.1 rainfall days, and 24.29" (617mm) of precipitation is accumulated.
When does it snow in Islesboro?
January through May, October through December are months with snowfall.
What is the snowiest month in Islesboro?
The month with the most snowfall is January, when snow falls for 10.1 days and typically aggregates up to 4.57" (116mm) of snow.
How much does it snow in Islesboro?
Throughout the year, in Islesboro, Maine, there are 44.3 snowfall days, and 16.81" (427mm) of snow is accumulated.
When is the lowest UV index in Islesboro?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What are the most humid months in Islesboro?
The months with the highest humidity in Islesboro, Maine, are February and July, with an average relative humidity of 83%.
What is the month with the least sunshine in Islesboro?
The month with the least sunshine in Islesboro is February, with an average of 4.3h of sunshine.
When is Daylight Saving Time (DST) in Islesboro?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Islesboro?
June through September are months without snowfall in Islesboro.
When are the longest days in Islesboro?
The month with the longest days in Islesboro is June, with an average of 15h and 30min of daylight.
When is the highest UV index in Islesboro?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What are the warmest months in Islesboro?
Islesboro witnesses its average highest temperatures during July and August, peaking at 73.9°F (23.3°C).
What is the driest month in Islesboro?
The months with the least rainfall in Islesboro, Maine, are July and September Rain falls for 14.5 days and accumulates 1.46" (37mm) of rain.
What month has the most sunshine in Islesboro?
With an average of 9.9h of sunshine, August has the most sunshine of the year in Islesboro, Maine.
What is the least humid month in Islesboro?
November is the least humid month in Islesboro, with an average relative humidity of 77%.
What is the wettest month in Islesboro?
The month with the most rainfall is December, when the rain falls for 10.1 days and typically aggregates up to 2.72" (69mm) of precipitation.
What is the month with the shortest days in Islesboro?
December has the shortest days of the year in Islesboro, with an average of 8h and 54min of daylight.
Average temperature
Islesboro, ME
The warmest months (with the highest average high temperature) are July and August (73.9°F).
The month with the lowest average high temperature is January (28.4°F).
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Islesboro, ME
- Average pressure in January:
29.96"Hg - Average pressure in February:
29.95"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30"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
Islesboro, ME
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
10.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Islesboro, ME
The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).
Average rainfall
Islesboro, ME
- Average rainfall in January:
1.93" - Average rainfall in February:
1.65" - Average rainfall in March:
1.57" - Average rainfall in April:
2.64" - Average rainfall in May:
2.05" - Average rainfall in June:
2.09"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.85" - Average rainfall in September:
1.46" - Average rainfall in October:
2.56" - Average rainfall in November:
2.32" - Average rainfall in December:
2.72"
The wettest month (with the highest rainfall) is December (2.72").
The driest months (with the least rainfall) are July and September (1.46").
Average rainfall days
Islesboro, ME
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
15 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
14.5 days - Average rainfall days in August:
13 days - Average rainfall days in September:
10.2 days - Average rainfall days in October:
13.3 days - Average rainfall days in November:
10.4 days - Average rainfall days in December:
10.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Islesboro, ME
- Average snowfall in January:
4.57" - Average snowfall in February:
3.58" - Average snowfall in March:
2.76" - Average snowfall in April:
2.17" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Islesboro, ME
- Average snowfall days in January:
10.1 days - Average snowfall days in February:
10 days - Average snowfall days in March:
9 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
8.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Islesboro, ME
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 3min
- Average daylight in July:
15h and 1min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
8h and 5min
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 January:
4h and 4min - Average sunshine in February:
4h and 2min - Average sunshine in March:
5h and 1min - Average sunshine in April:
7h and 1min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 1min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 0min - Average sunshine in December:
4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Islesboro, ME
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
13.7 days - Average sunshine days in June:
13.6 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
16.1 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is April (11.7 days).
Average UV index
Islesboro, ME
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
Islesboro, ME
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility
Islesboro, ME
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
Islesboro, Maine, USA
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