October weather forecast
Carlisle, PA

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The scenic green city of Carlisle in Pennsylvania
The scenic green city of Carlisle in Pennsylvania

Weather in October

October in Carlisle witnesses a shift in weather conditions as fall starts to settle in earnest. The temperatures dip from the September range to lie between 45.9°F (7.7°C) and 62.8°F (17.1°C). As November draws closer, the approaching winter climate becomes more evident. The weather turns crisp and the trees join the spectacle, presenting a riot of colorful foliage.

Temperature

The beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 74.3°F (23.5°C) in September to a comfortable 62.8°F (17.1°C). In Carlisle, an average temperature of 45.9°F (7.7°C) is noted during October nights.

Humidity

The average relative humidity in October is 79%.

Rainfall

In Carlisle, during October, the rain falls for 9.6 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Carlisle, during the entire year, the rain falls for 123.7 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

Months with snowfall in Carlisle are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Carlisle, there are 22.3 snowfall days, and 4.72" (120mm) of snow is accumulated.

Daylight

In Carlisle, the average length of the day in October is 11h and 7min.
On the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of October, in Carlisle, sunrise is at 7:37 am and sunset at 6:06 pm EDT.

Sunshine

In Carlisle, the average sunshine in October is 5.4h.

UV index

In Carlisle, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 during October translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Boost your sun resistance with garments that are densely woven yet spacious. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in October in Carlisle?

The high-temperature, in October, in Carlisle, is 62.8°F (17.1°C), while the low-temperature averages to 45.9°F (7.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in October in Carlisle?

In October, the average relative humidity in Carlisle is 79%.

How many days does it rain in October in Carlisle?

In October, in Carlisle, Pennsylvania, the rain falls for 9.6 days. Throughout October, 1.14" (29mm) of precipitation is accumulated.

When does it start to snow in Carlisle?

October is the first month it typically snows in Carlisle. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Carlisle have in October?

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

When is the sunrise / sunset in October in Carlisle?

On the first day of October in Carlisle, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:06 pm EDT.

How long on average sun shines in October in Carlisle?

In Carlisle, Pennsylvania, the average sunshine duration in October is 5.4h.

What is the UV index reading in October in Carlisle?

The average daily maximum UV index in October in Carlisle is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's 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
Carlisle, PA

Average temperature in October - Carlisle, PA
  • Average high temperature in October: 62.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in October: 45.9°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in October
Carlisle, PA

Average pressure in October - Carlisle, PA
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in October
Carlisle, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in October
Carlisle, PA

Average humidity in October - Carlisle, PA
  • Average humidity in October: 79%

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

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Average rainfall in October
Carlisle, PA

Average rainfall in October - Carlisle, PA
  • Average rainfall in October: 1.14"

The wettest month (with the highest rainfall) is May (1.34").
The driest months (with the least rainfall) are January and February (0.75").

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Average rainfall days in October
Carlisle, PA

Average rainfall days in October - Carlisle, PA
  • Average rainfall days in October: 9.6 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in October
Carlisle, PA

Average snowfall in October - Carlisle, PA
  • Average snowfall in October: 0.04"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Carlisle, PA

Average snowfall days in October - Carlisle, PA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (7.7 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
Carlisle, PA

Average daylight in October / Average sunshine in October - Carlisle, 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 2min

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 30min).

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Average sunshine days in October
Carlisle, PA

Average sunshine days in October - Carlisle, PA
  • Average sunshine days in October: 18.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in October
Carlisle, PA

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

The months with the highest UV index are May, June and July (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
Carlisle, PA

Average cloud cover in October - Carlisle, PA
  • Average cloud cover in October: 41

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in October
Carlisle, PA

Average visibility in October - Carlisle, 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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Carlisle, Pennsylvania, USA

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