October weather forecast
Cornwell, PA

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Weather in October

October, like September, in Cornwell, Pennsylvania, is another comfortable autumn month, with an average temperature ranging between max 64.9°F (18.3°C) and min 50.2°F (10.1°C).

Temperature

In the transition to October, Cornwell observes a drop in the average high-temperature, moving from a moderately hot 77°F (25°C) in September to an enjoyable 64.9°F (18.3°C). During the October nights, an average temperature of 50.2°F (10.1°C) is observed in Cornwell, Pennsylvania.

Humidity

The months with the highest humidity in Cornwell are February and October, with an average relative humidity of 77%.

Rainfall

In Cornwell, in October, it is raining for 11.7 days, with typically 2.4" (61mm) of accumulated precipitation. In Cornwell, during the entire year, the rain falls for 153.8 days and collects up to 30.94" (786mm) of precipitation.

Snowfall

In Cornwell, snow does not fall in June through October.

Daylight

The average length of the day in October in Cornwell is 11h and 8min.
On the first day of October, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:58 pm EDT.

Sunshine

In October, the average sunshine in Cornwell is 5.6h.

UV index

In October, the average daily maximum UV index in Cornwell is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in October leads to these recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. 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.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October in Cornwell?

In Cornwell, in October, the average high-temperature is 64.9°F (18.3°C), and the average low-temperature is 50.2°F (10.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 91.4°F (33°C).

What is the most humid month in Cornwell?

The months with the highest humidity are February and October, with an average relative humidity of 77%.

What is the average humidity in October in Cornwell?

The average relative humidity in October in Cornwell, Pennsylvania, is 77%.

How many days does it rain in October in Cornwell?

In Cornwell, Pennsylvania, during October, the rain falls for 11.7 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Cornwell?

In Cornwell, snow does not fall in June through October.

Does it snow in Cornwell in October?

In Cornwell, in October, it doesn't snow. In November, it regularly snows.

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

In Cornwell, the average day length in October is 11h and 8min.

When are sunrise and sunset in October in Cornwell?

On the first day of October in Cornwell, sunrise is at 6:56 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:58 pm EDT.

How long on average sun shines in October in Cornwell?

The average sunshine duration in October in Cornwell, Pennsylvania, is 5.6h.

What is the UV index reading in October in Cornwell?

The average daily maximum UV index in October in Cornwell, Pennsylvania, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Cornwell, PA

Average temperature in October - Cornwell, PA
  • Average high temperature in October: 64.9°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in October: 50.2°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in October
Cornwell, PA

Average pressure in October - Cornwell, 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 (29.93"Hg).

Average wind speed in October
Cornwell, PA

Average wind speed in October - Cornwell, PA
  • Average wind speed in October: 7.1mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in October
Cornwell, PA

Average humidity in October - Cornwell, PA
  • Average humidity in October: 77%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in October
Cornwell, PA

Average rainfall in October - Cornwell, PA
  • Average rainfall in October: 2.4"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in October
Cornwell, PA

Average rainfall days in October - Cornwell, PA
  • Average rainfall days in October: 11.7 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in October
Cornwell, PA

Average snowfall in October - Cornwell, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Cornwell, PA

Average snowfall days in October - Cornwell, PA
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Cornwell, PA

Average daylight in October / Average sunshine in October - Cornwell, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Cornwell, PA

Average sunshine days in October - Cornwell, PA
  • Average sunshine days in October: 17.5 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in October
Cornwell, PA

Average UV index in October - Cornwell, 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).

Average cloud cover in October
Cornwell, PA

Average cloud cover in October - Cornwell, PA
  • Average cloud cover in October: 42

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in October
Cornwell, PA

Average visibility in October - Cornwell, 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).

Cornwell, Pennsylvania, USA

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