October weather forecast
Islesboro, ME

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Weather in October

October, like September, is a moderate autumn month in Islesboro, Maine, with an average temperature ranging between min 43.2°F (6.2°C) and max 55.8°F (13.2°C).

Temperature

Transition from September to October is accompanied by a temperature drop, with average high-temperatures decreasing from an enjoyable 67.1°F (19.5°C) to a moderate 55.8°F (13.2°C). Islesboro in October experiences a low-temperature average of 43.2°F (6.2°C).

Humidity

In October, the average relative humidity is 80%.

Rainfall

In Islesboro, in October, during 13.3 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. In Islesboro, during the entire year, the rain falls for 141.1 days and collects up to 24.29" (617mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 44.3 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

In Islesboro, the average length of the day in October is 10h and 59min.
On the first day of October, sunrise is at 6:34 am and sunset at 6:15 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:26 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.

Frequently asked questions

What is the average October temperature?

An average high-temperature, in October, in Islesboro, is 55.8°F (13.2°C) and the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in October?

In October, the average relative humidity in Islesboro, Maine, is 80%.

How many days does it rain in October?

In October, the rain falls for 13.3 days. Throughout October, 2.56" (65mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October?

In October, the average day length is 10h and 59min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:34 am and sunset at 6:15 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:26 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration is 6h.

What is the UV index reading in October?

In October, the average daily maximum UV index in Islesboro is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Islesboro, ME

Average temperature in October - Islesboro, ME
  • Average high temperature in October: 55.8°F

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).

  • Average low temperature in October: 43.2°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 in October
Islesboro, ME

Average pressure in October - Islesboro, ME
  • Average pressure in October: 29.99"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 October
Islesboro, ME

Average wind speed in October - Islesboro, ME
  • Average wind speed in October: 8.5mph

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 in October
Islesboro, ME

Average humidity in October - Islesboro, ME
  • Average humidity in October: 80%

The months with the highest relative humidity are February and July (83%).
The month with the lowest relative humidity is November (77%).

Average rainfall in October
Islesboro, ME

Average rainfall in October - Islesboro, ME
  • Average rainfall in October: 2.56"

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 in October
Islesboro, ME

Average rainfall days in October - Islesboro, ME
  • Average rainfall days in October: 13.3 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 in October
Islesboro, ME

Average snowfall in October - Islesboro, ME
  • Average snowfall in October: 0.04"

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 in October
Islesboro, ME

Average snowfall days in October - Islesboro, ME
  • Average snowfall days in October: 0.1 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 in October /
Average sunshine in October
Islesboro, ME

Average daylight in October / Average sunshine in October - Islesboro, ME
  • Average daylight in October: 11h 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 October: 6h and 0min

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 in October
Islesboro, ME

Average sunshine days in October - Islesboro, ME
  • Average sunshine days in October: 16.1 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 in October
Islesboro, ME

Average UV index in October - Islesboro, ME
  • Average UV index in October: 3

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 October
Islesboro, ME

Average cloud cover in October - Islesboro, ME
  • Average cloud cover in October: 46

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 in October
Islesboro, ME

Average visibility in October - Islesboro, ME
  • Average visibility in October: 6mi

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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