October weather forecast
Porters Mill, PA

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Weather in October

October, like September, in Porters Mill, Pennsylvania, is another refreshing autumn month, with an average temperature fluctuating between 47.5°F (8.6°C) and 63°F (17.2°C).

Temperature

With the onset of October, Porters Mill experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 75.2°F (24°C) in September to a comfortable 63°F (17.2°C). The nighttime temperature, during October, averages of 47.5°F (8.6°C).

Humidity

The months with the highest humidity are February and October, with an average relative humidity of 80%.

Rainfall

In Porters Mill, in October, during 11.4 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Porters Mill, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

In Porters Mill, snow does not fall in May through October.

Daylight

In October, the average length of the day in Porters Mill is 11h and 8min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:31 am and sunset at 6:00 pm EDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

In Porters Mill, Pennsylvania, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 3 during October leads to these advisories:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for Porters Mill in October?

In October, the average high-temperature and low-temperature are 63°F (17.2°C) and 47.5°F (8.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What are the most humid months in Porters Mill?

The months with the highest humidity are February and October, with an average relative humidity of 80%.

What is the average humidity in October in Porters Mill?

In October, the average relative humidity in Porters Mill, Pennsylvania, is 80%.

How much does it rain in Porters Mill in October?

In October, in Porters Mill, the rain falls for 11.4 days. Throughout October, 2.13" (54mm) of precipitation is accumulated.

When it does not snow in Porters Mill?

In Porters Mill, Pennsylvania, snow does not fall in May through October.

Does it snow in Porters Mill in October?

In Porters Mill, Pennsylvania, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Porters Mill have in October?

The average day length in October is 11h and 8min.

When is the sunrise / sunset in October in Porters Mill?

In October, on the first day of the month, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, in Porters Mill, Pennsylvania, sunrise is at 7:31 am and sunset at 6:00 pm EDT.

How long on average sun shines in October in Porters Mill?

In Porters Mill, Pennsylvania, the average sunshine duration in October is 5.5h.

What is the UV index reading in October in Porters Mill?

In October, the average daily maximum UV index in Porters Mill is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Porters Mill, PA

Average temperature in October - Porters Mill, PA
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in October: 47.5°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in October
Porters Mill, PA

Average pressure in October - Porters Mill, PA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in October
Porters Mill, PA

Average wind speed in October - Porters Mill, PA
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in October
Porters Mill, PA

Average humidity in October - Porters Mill, PA
  • Average humidity in October: 80%

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in October
Porters Mill, PA

Average rainfall in October - Porters Mill, PA
  • Average rainfall in October: 2.13"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in October
Porters Mill, PA

Average rainfall days in October - Porters Mill, PA
  • Average rainfall days in October: 11.4 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in October
Porters Mill, PA

Average snowfall in October - Porters Mill, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Porters Mill, PA

Average snowfall days in October - Porters Mill, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Porters Mill, PA

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in October
Porters Mill, PA

Average sunshine days in October - Porters Mill, PA
  • Average sunshine days in October: 18.1 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in October
Porters Mill, PA

Average UV index in October - Porters Mill, PA
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in October
Porters Mill, PA

Average cloud cover in October - Porters Mill, PA
  • Average cloud cover in October: 43

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in October
Porters Mill, PA

Average visibility in October - Porters Mill, PA
  • Average visibility in October: 6mi

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

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Porters Mill, Pennsylvania, USA

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