October weather forecast
Slippery Rock, PA

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Weather in October

October, the same as September, in Slippery Rock, Pennsylvania, is a moderate autumn month, with temperature in the range of an average high of 60.1°F (15.6°C) and an average low of 43.7°F (6.5°C).

Temperature

Slippery Rock's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 73.4°F (23°C) in September to a mild 60.1°F (15.6°C). In Slippery Rock, an average low-temperature of 43.7°F (6.5°C) is recorded during October nights.

Humidity

In Slippery Rock, the average relative humidity in October is 82%.

Rainfall

In Slippery Rock, Pennsylvania, in October, it is raining for 16.9 days, with typically 3.27" (83mm) of accumulated precipitation. In Slippery Rock, Pennsylvania, during the entire year, the rain falls for 177.8 days and collects up to 36.65" (931mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.2" (5mm) of snow. In Slippery Rock, during the entire year, snow falls for 75.3 days and aggregates up to 32.05" (814mm) of snow.

Daylight

In October, the average length of the day is 11h and 5min.
On the first day of the month, sunrise is at 7:17 am and sunset at 7:01 pm. On the last day of October, in Slippery Rock, sunrise is at 7:50 am and sunset at 6:16 pm EDT.

Sunshine

The average sunshine in October is 4.7h.

UV index

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 the Sun's UV radiation for the ordinary person.
Note: In October, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.

Frequently asked questions

What is the usual temperature for Slippery Rock in October?

October temperatures vary between a high-temperature of 60.1°F (15.6°C) and a low-temperature of 43.7°F (6.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is evaluated at 86°F (30°C).

What is the average humidity in October?

In October, the average relative humidity is 82%.

How much does it rain in October?

In Slippery Rock, in October, it is raining for 16.9 days, with typically 3.27" (83mm) of accumulated precipitation.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Slippery Rock have in October?

In Slippery Rock, the average day length in October is 11h and 5min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:17 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 6:16 pm EDT.

How long on average sun shines in October?

In October, the average sunshine duration is 4.7h.

What is the UV index intensity in October?

In Slippery Rock, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Slippery Rock, PA

Average temperature in October - Slippery Rock, PA
  • Average high temperature in October: 60.1°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in October: 43.7°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in October
Slippery Rock, PA

Average pressure in October - Slippery Rock, 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).

Average wind speed in October
Slippery Rock, PA

Average wind speed in October - Slippery Rock, PA
  • Average wind speed in October: 6.7mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in October
Slippery Rock, PA

Average humidity in October - Slippery Rock, PA
  • Average humidity in October: 82%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June, July and August (79%).

Average rainfall in October
Slippery Rock, PA

Average rainfall in October - Slippery Rock, PA
  • Average rainfall in October: 3.27"

The wettest month (with the highest rainfall) is April (3.74").
The driest month (with the least rainfall) is November (2.36").

Average rainfall days in October
Slippery Rock, PA

Average rainfall days in October - Slippery Rock, PA
  • Average rainfall days in October: 16.9 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in October
Slippery Rock, PA

Average snowfall in October - Slippery Rock, PA
  • Average snowfall in October: 0.2"

The month with the highest snowfall is January (8.54").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Slippery Rock, PA

Average snowfall days in October - Slippery Rock, PA
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Slippery Rock, PA

Average daylight in October / Average sunshine in October - Slippery Rock, 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: 4h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in October
Slippery Rock, PA

Average sunshine days in October - Slippery Rock, PA
  • Average sunshine days in October: 12.2 days

The month with the most sunshine days is November (13.1 days).
The month with the least sunshine days is February (6.3 days).

Average UV index in October
Slippery Rock, PA

Average UV index in October - Slippery Rock, 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).

Average cloud cover in October
Slippery Rock, PA

Average cloud cover in October - Slippery Rock, PA
  • Average cloud cover in October: 53

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in October
Slippery Rock, PA

Average visibility in October - Slippery Rock, PA
  • Average visibility in October: 5mi

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

Slippery Rock, Pennsylvania, USA

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