October weather forecast
Lewiston, ME

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Weather in October

October sets the full-fledged arrival of fall in Lewiston. Temperatures continue their downward trend with chilly evenings making a comeback. However, the city experiences the highest rainfall count, marking around 1.69" (43mm) on average. Trees ready to shed leaves and cooling weather conditions imply the nearing winter season. Clear skies and crisp air become typical features of October, making it a pleasant month overall.

Temperature

The transition into October in Lewiston involves a decrease in the average high-temperature, falling from a pleasant 70°F (21.1°C) in September to a refreshing 56.5°F (13.6°C). During October, Lewiston experiences a consistent low-temperature average of 41.9°F (5.5°C).

Humidity

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

Rainfall

The month with the most rainfall is October, when the rain falls for 9.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 36.8 snowfall days, and 18.31" (465mm) of snow is accumulated.

Daylight

The average length of the day in October is 10h and 59min.
On the first day of the month, sunrise is at 6:39 am and sunset at 6:21 pm. On the last day of October, sunrise is at 7:17 am and sunset at 5:31 pm EDT.

Sunshine

The average sunshine in October in Lewiston, Maine, is 6.1h.

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 low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during October translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What is the average October temperature in Lewiston?

In Lewiston, 56.5°F (13.6°C) is the average high-temperature and 41.9°F (5.5°C) is the average low-temperature during October.

What is the average humidity in October in Lewiston?

In October, the average relative humidity is 80%.

What is the wettest month in Lewiston?

October is the month with the most rainfall in Lewiston, Maine. Rain falls for 9.3 days and accumulates 1.69" (43mm) of precipitation.

How many days does it rain in October in Lewiston?

In October, in Lewiston, Maine, the rain falls for 9.3 days. Throughout October, 1.69" (43mm) of precipitation is accumulated.

When does it start snowing in Lewiston?

October is the first month it typically snows in Lewiston, Maine. Throughout October, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October in Lewiston?

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

What time are sunrise and sunset in October in Lewiston?

On the first day of October in Lewiston, sunrise is at 6:39 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:31 pm EDT.

How long on average sun shines in October in Lewiston?

In October, the average sunshine duration in Lewiston is 6.1h.

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

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

What is the UV index reading in October in Lewiston?

In October, the average daily maximum UV index in Lewiston is 2. A UV Index value of 2, and less, symbolizes 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
Lewiston, ME

Average temperature in October - Lewiston, ME
  • Average high temperature in October: 56.5°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 41.9°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 (13.3°F).

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Average pressure in October
Lewiston, ME

Average pressure in October - Lewiston, ME
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Lewiston, ME

Average wind speed in October - Lewiston, ME
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in October
Lewiston, ME

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

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is November (76%).

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Average rainfall in October
Lewiston, ME

Average rainfall in October - Lewiston, ME
  • Average rainfall in October: 1.69"

The wettest month (with the highest rainfall) is October (1.69").
The driest month (with the least rainfall) is September (0.67").

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Average rainfall days in October
Lewiston, ME

Average rainfall days in October - Lewiston, ME
  • Average rainfall days in October: 9.3 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (4 days).

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Average snowfall in October
Lewiston, ME

Average snowfall in October - Lewiston, ME
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (4.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Lewiston, ME

Average snowfall days in October - Lewiston, ME
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (8.7 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
Lewiston, ME

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in October
Lewiston, ME

Average sunshine days in October - Lewiston, ME
  • Average sunshine days in October: 19.6 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (16.2 days).

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Average UV index in October
Lewiston, ME

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

The month with the highest UV index is July (UV index 6).
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
Lewiston, ME

Average cloud cover in October - Lewiston, ME
  • Average cloud cover in October: 45

The month with the most cloud cover is March (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 36).

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Average visibility in October
Lewiston, ME

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

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

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Lewiston, Maine, USA

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