October weather forecast
West Decatur, PA

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Weather in October

October, the same as September, in West Decatur, Pennsylvania, is a moderate autumn month, with temperature in the range of an average high of 59°F (15°C) and an average low of 42.6°F (5.9°C).

Temperature

The decrease of average high-temperatures is mild in October, with a decline from an agreeable 72.3°F (22.4°C) in September to a moderate 59°F (15°C). During October, the nighttime temperature in West Decatur averages to an icy 42.6°F (5.9°C).

Humidity

In October, the average relative humidity is 82%.

Rainfall

In October, in West Decatur, the rain falls for 12.7 days. Throughout October, 2.17" (55mm) of precipitation is accumulated. In West Decatur, Pennsylvania, during the entire year, the rain falls for 159 days and collects up to 23.46" (596mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in West Decatur, Pennsylvania. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.67" (17mm) of snow. Throughout the year, in West Decatur, there are 67.7 snowfall days, and 23.54" (598mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 6min.
On the first day of the month, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of October, sunrise is at 7:43 am and sunset at 6:09 pm EDT.

Sunshine

In West Decatur, the average sunshine in October is 5h.

UV index

In West Decatur, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In October, the UV index of 2 transforms into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the temperature in October in West Decatur?

In October, in West Decatur, the average high-temperature is 59°F (15°C), and the average low-temperature is 42.6°F (5.9°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in October in West Decatur?

The average relative humidity in October is 82%.

How much does it rain in West Decatur in October?

In West Decatur, during October, the rain falls for 12.7 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When does it start snowing in West Decatur?

October is the first month it typically snows in West Decatur. Throughout October, in the average 1.5 snowfall days, it receives 0.67" (17mm) of snow.

What is the average length of the day in October in West Decatur?

In West Decatur, Pennsylvania, the average day length in October is 11h and 6min.

When is the sunrise / sunset in October in West Decatur?

On the first day of October, sunrise is at 7:10 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 6:09 pm EDT.

How long on average sun shines in October in West Decatur?

In October, the average sunshine duration in West Decatur is 5h.

What is the UV index intensity in October in West Decatur?

In West Decatur, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health risk 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
West Decatur, PA

Average temperature in October - West Decatur, PA
  • Average high temperature in October: 59°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in October: 42.6°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in October
West Decatur, PA

Average pressure in October - West Decatur, PA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in October
West Decatur, PA

Average wind speed in October - West Decatur, PA
  • Average wind speed in October: 6.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in October
West Decatur, PA

Average humidity in October - West Decatur, PA
  • Average humidity in October: 82%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in October
West Decatur, PA

Average rainfall in October - West Decatur, PA
  • Average rainfall in October: 2.17"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is November (1.42").

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Average rainfall days in October
West Decatur, PA

Average rainfall days in October - West Decatur, PA
  • Average rainfall days in October: 12.7 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in October
West Decatur, PA

Average snowfall in October - West Decatur, PA
  • Average snowfall in October: 0.67"

The month with the highest snowfall is January (6.02").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
West Decatur, PA

Average snowfall days in October - West Decatur, PA
  • Average snowfall days in October: 1.5 days

The month with the highest number of snowfall days is January (18.3 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
West Decatur, PA

Average daylight in October / Average sunshine in October - West Decatur, PA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in October
West Decatur, PA

Average sunshine days in October - West Decatur, PA
  • Average sunshine days in October: 14.2 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in October
West Decatur, PA

Average UV index in October - West Decatur, PA
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
West Decatur, PA

Average cloud cover in October - West Decatur, PA
  • Average cloud cover in October: 51

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in October
West Decatur, PA

Average visibility in October - West Decatur, PA
  • Average visibility in October: 5mi

The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).

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West Decatur, Pennsylvania, USA

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