October weather forecast
Palermo, ME

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Weather in October

October, the same as September, in Palermo, Maine, is another mild autumn month, with an average temperature varying between 41°F (5°C) and 56.3°F (13.5°C).

Temperature

In Palermo, the average high-temperature in October drops from a pleasant 68.9°F (20.5°C) in September to a refreshing 56.3°F (13.5°C). Palermo records a consistent low-temperature of 41°F (5°C) during October nights.

Humidity

The average relative humidity in October in Palermo is 81%.

Rainfall

In Palermo, in October, during 13.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 143.5 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Palermo, Maine. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. In Palermo, during the entire year, snow falls for 50.1 days and aggregates up to 32.87" (835mm) of snow.

Daylight

In October, the average length of the day is 10h and 58min.
On the first day of October, sunrise is at 6:36 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:28 pm EDT.

Sunshine

In Palermo, the average sunshine in October is 5.8h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during October translates into these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are October temperatures in Palermo?

The high-temperature, in October, in Palermo, records 56.3°F (13.5°C), while the low-temperature is 41°F (5°C).

What is the average humidity in October in Palermo?

The average relative humidity in October in Palermo is 81%.

How much does it rain in Palermo in October?

In Palermo, in October, it is raining for 13.6 days, with typically 3.23" (82mm) of accumulated precipitation.

When does it start snowing in Palermo?

October is the first month it typically snows in Palermo, Maine. Throughout October, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Palermo have in October?

In October, the average day length is 10h and 58min.

When are sunrise and sunset in October in Palermo?

On the first day of October in Palermo, Maine, sunrise is at 6:36 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:28 pm EDT.

How long on average sun shines in October in Palermo?

In Palermo, the average sunshine duration in October is 5.8h.

What is the month with the lowest UV index in Palermo?

The months with the lowest UV index in Palermo, Maine, are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in October in Palermo?

In Palermo, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
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
Palermo, ME

Average temperature in October - Palermo, ME
  • Average high temperature in October: 56.3°F

The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 41°F

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in October
Palermo, ME

Average pressure in October - Palermo, ME
  • Average pressure in October: 29.99"Hg

The months with the highest atmospheric pressure are September and November (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Palermo, ME

Average wind speed in October - Palermo, ME
  • Average wind speed in October: 7.3mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in October
Palermo, ME

Average humidity in October - Palermo, ME
  • Average humidity in October: 81%

The months with the highest relative humidity are January, February and March (84%).
The months with the lowest relative humidity are April and November (78%).

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Average rainfall in October
Palermo, ME

Average rainfall in October - Palermo, ME
  • Average rainfall in October: 3.23"

The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in October
Palermo, ME

Average rainfall days in October - Palermo, ME
  • Average rainfall days in October: 13.6 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (6 days).

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Average snowfall in October
Palermo, ME

Average snowfall in October - Palermo, ME
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Palermo, ME

Average snowfall days in October - Palermo, ME
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Palermo, ME

Average daylight in October / Average sunshine in October - Palermo, 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: 5h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in October
Palermo, ME

Average sunshine days in October - Palermo, ME
  • Average sunshine days in October: 16 days

The months with the most sunshine days are September and November (16.8 days).
The month with the least sunshine days is April (11.3 days).

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Average UV index in October
Palermo, ME

Average UV index in October - Palermo, ME
  • Average UV index in October: 2

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, October, November and December (UV index 2).

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Average cloud cover in October
Palermo, ME

Average cloud cover in October - Palermo, ME
  • Average cloud cover in October: 47

The months with the most cloud cover are February, March and April (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 39).

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Average visibility in October
Palermo, ME

Average visibility in October - Palermo, ME
  • Average visibility in October: 5mi

The months with the highest visibility are November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and October (5mi).

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Palermo, Maine, USA

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