October weather forecast
Penn, PA

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Weather in October

October, like September, in Penn, Pennsylvania, is another refreshing autumn month, with an average temperature varying between 61.5°F (16.4°C) and 44.6°F (7°C).

Temperature

October's onset corresponds with a shift in the average high-temperature, moving from a warm 74.5°F (23.6°C) in September to a comfortable 61.5°F (16.4°C). Penn records an average low of 44.6°F (7°C) throughout the nights in October.

Humidity

In Penn, the average relative humidity in October is 81%.

Rainfall

In Penn, in October, it is raining for 16.6 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Penn, there are 183.8 rainfall days, and 35.16" (893mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Penn. October is the first month it typically snows in Penn. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow. In Penn, Pennsylvania, during the entire year, snow falls for 65 days and aggregates up to 28.98" (736mm) of snow.

Daylight

The average length of the day in October in Penn is 11h and 7min.
On the first day of October in Penn, sunrise is at 7:15 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:16 pm EDT.

Sunshine

The average sunshine in October is 5.2h.

UV index

In October, the average daily maximum UV index in Penn is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Boost your sun resistance with garments that are densely woven yet spacious. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

What is the average October temperature in Penn?

An average high-temperature, in October, in Penn, is 61.5°F (16.4°C) and the average low-temperature is 44.6°F (7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 86°F (30°C).

What is the average humidity in October in Penn?

In Penn, Pennsylvania, the average relative humidity in October is 81%.

How much does it rain in Penn in October?

In October, in Penn, Pennsylvania, the rain falls for 16.6 days. Throughout October, 3.03" (77mm) of precipitation is accumulated.

When does it start snowing in Penn?

October is the first month it typically snows in Penn, Pennsylvania. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow.

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

In October, the average day length in Penn, Pennsylvania, is 11h and 7min.

When are sunrise and sunset in October in Penn?

On the first day of October in Penn, sunrise is at 7:15 am and sunset at 7:00 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:16 pm EDT.

How many hours of sunshine does Penn have in October?

The average sunshine duration in October in Penn is 5.2h.

What is the UV index reading in October in Penn?

In Penn, Pennsylvania, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Penn, PA

Average temperature in October - Penn, PA
  • Average high temperature in October: 61.5°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in October: 44.6°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).

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Average pressure in October
Penn, PA

Average pressure in October - Penn, PA
  • Average pressure in October: 30.03"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
Penn, PA

Average wind speed in October - Penn, PA
  • Average wind speed in October: 6.4mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in October
Penn, PA

Average humidity in October - Penn, PA
  • Average humidity in October: 81%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).

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Average rainfall in October
Penn, PA

Average rainfall in October - Penn, PA
  • Average rainfall in October: 3.03"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").

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Average rainfall days in October
Penn, PA

Average rainfall days in October - Penn, PA
  • Average rainfall days in October: 16.6 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).

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Average snowfall in October
Penn, PA

Average snowfall in October - Penn, PA
  • Average snowfall in October: 0.35"

The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Penn, PA

Average snowfall days in October - Penn, PA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (18.2 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
Penn, PA

Average daylight in October / Average sunshine in October - Penn, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in October
Penn, PA

Average sunshine days in October - Penn, PA
  • Average sunshine days in October: 12.1 days

The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).

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Average UV index in October
Penn, PA

Average UV index in October - Penn, PA
  • Average UV index in October: 3

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Penn, PA

Average cloud cover in October - Penn, PA
  • Average cloud cover in October: 47

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in October
Penn, PA

Average visibility in October - Penn, PA
  • Average visibility in October: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

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Penn, Pennsylvania, USA

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