October weather forecast
Port Perry, PA

Weather in October

October, the same as September, is another comfortable autumn month in Port Perry, Pennsylvania, with an average temperature ranging between max 61.9°F (16.6°C) and min 45.1°F (7.3°C).

Temperature

In Port Perry, Pennsylvania, the average high-temperature in October drops from a moderately hot 75.4°F (24.1°C) in September to an enjoyable 61.9°F (16.6°C). The average low-temperature, in Port Perry, Pennsylvania, is 45.1°F (7.3°C).

Humidity

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

Rainfall

In Port Perry, during 12.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Port Perry, during the entire year, the rain falls for 151 days and collects up to 20.39" (518mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Port Perry. 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, in Port Perry, there are 35.4 snowfall days, and 10.35" (263mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 7min.
On the first day of the month, sunrise is at 7:16 am and sunset at 7:01 pm. On the last day of October, in Port Perry, Pennsylvania, sunrise is at 7:48 am and sunset at 6:17 pm EDT.

Sunshine

In Port Perry, Pennsylvania, the average sunshine in October is 5.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Port Perry?

The average high-temperature, in October, in Port Perry, is 61.9°F (16.6°C), while the average low-temperature is 45.1°F (7.3°C). in August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in October in Port Perry?

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

How much does it rain in Port Perry in October?

In October, in Port Perry, Pennsylvania, the rain falls for 12.5 days. Throughout October, 1.42" (36mm) of precipitation is accumulated.

When does it start snowing in Port Perry?

October is the first month it typically snows in Port Perry, Pennsylvania. 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 Port Perry?

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

When are sunrise and sunset in October in Port Perry?

On the first day of October in Port Perry, sunrise is at 7:16 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 6:17 pm EDT.

How many hours of sunshine does Port Perry have in October?

In October, the average sunshine duration in Port Perry is 5.3h.

What is the UV index intensity in October in Port Perry?

In Port Perry, Pennsylvania, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Port Perry, PA

Average temperature in October - Port Perry, PA
  • Average high temperature in October: 61.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in October: 45.1°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in October
Port Perry, PA

Average pressure in October - Port Perry, 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
Port Perry, PA

Average wind speed in October - Port Perry, PA
  • Average wind speed in October: 6.3mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in October
Port Perry, PA

Average humidity in October - Port Perry, PA
  • Average humidity in October: 80%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

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Average rainfall in October
Port Perry, PA

Average rainfall in October - Port Perry, PA
  • Average rainfall in October: 1.42"

The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is November (1.06").

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Average rainfall days in October
Port Perry, PA

Average rainfall days in October - Port Perry, PA
  • Average rainfall days in October: 12.5 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (7.7 days).

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Average snowfall in October
Port Perry, PA

Average snowfall in October - Port Perry, PA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Port Perry, PA

Average snowfall days in October - Port Perry, PA
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (9.7 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
Port Perry, PA

Average daylight in October / Average sunshine in October - Port Perry, PA
  • Average daylight in October: 11h and 7min

The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 21min).

  • Average sunshine in October: 5h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in October
Port Perry, PA

Average sunshine days in October - Port Perry, PA
  • Average sunshine days in October: 15.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in October
Port Perry, PA

Average UV index in October - Port Perry, PA
  • Average UV index in October: 3

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

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Average cloud cover in October
Port Perry, PA

Average cloud cover in October - Port Perry, PA
  • Average cloud cover in October: 47

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Port Perry, PA

Average visibility in October - Port Perry, PA
  • Average visibility in October: 5mi

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

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