October weather forecast
Mount Holly Springs, PA

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Weather in October

October, the same as September, is another enjoyable autumn month in Mount Holly Springs, Pennsylvania, with an average temperature fluctuating between 45.9°F (7.7°C) and 62.8°F (17.1°C).

Temperature

October's arrival corresponds with a decrease in average high-temperatures, from September's warm 74.3°F (23.5°C) to a comfortable 62.8°F (17.1°C). Mount Holly Springs observes an average nighttime temperature of 45.9°F (7.7°C) during October.

Humidity

In October, the average relative humidity in Mount Holly Springs is 79%.

Rainfall

In Mount Holly Springs, in October, during 9.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Mount Holly Springs, during the entire year, the rain falls for 123.7 days and collects up to 12.09" (307mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in October is 11h and 8min.
On the first day of October, 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.

Sunshine

The average sunshine in October is 5.4h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 3 in October translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Mount Holly Springs?

In Mount Holly Springs, in October, the average high-temperature is 62.8°F (17.1°C), and the average low-temperature is 45.9°F (7.7°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in October in Mount Holly Springs?

In Mount Holly Springs, the average relative humidity in October is 79%.

How many days does it rain in October in Mount Holly Springs?

In Mount Holly Springs, in October, it is raining for 9.6 days, with typically 1.14" (29mm) of accumulated precipitation.

When does it start to snow in Mount Holly Springs?

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

What is the average length of the day in October in Mount Holly Springs?

In October, the average day length in Mount Holly Springs, Pennsylvania, is 11h and 8min.

When is the sunrise / sunset in October in Mount Holly Springs?

In October, on the first day of the month, sunrise is at 7:05 am and sunset at 6:50 pm. On the last day of the month, in Mount Holly Springs, Pennsylvania, sunrise is at 7:37 am and sunset at 6:06 pm EDT.

How many hours of sunshine does Mount Holly Springs have in October?

In October, the average sunshine duration is 5.4h.

What is the UV index reading in October in Mount Holly Springs?

In Mount Holly Springs, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Mount Holly Springs, PA

Average temperature in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average pressure in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average wind speed in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average humidity in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average rainfall in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average rainfall days in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average snowfall in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average snowfall days in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average daylight in October / Average sunshine in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average sunshine days in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average UV index in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average cloud cover in October - Mount Holly Springs, 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
Mount Holly Springs, PA

Average visibility in October - Mount Holly Springs, 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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Mount Holly Springs, Pennsylvania, USA

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