October weather forecast
Harrisburg, PA

A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania
A church, a mosque, and other buildings along State Street in Harrisburg, Pennsylvania

Weather in October

October, like September, in Harrisburg, Pennsylvania, is another comfortable autumn month, with an average temperature ranging between min 46°F (7.8°C) and max 62.8°F (17.1°C).

Temperature

In October, the average high-temperature drops from a warm 74.3°F (23.5°C) in September to a comfortable 62.8°F (17.1°C). In October, the average low-temperature is 46°F (7.8°C).

Humidity

The average relative humidity in October is 79%.

Rainfall

In Harrisburg, in October, during 9.7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, in Harrisburg, there are 122.3 rainfall days, and 11.73" (298mm) of precipitation is accumulated.

Snowfall

In Harrisburg, snow does not fall in May through October.

Daylight

In October, the average length of the day in Harrisburg is 11h and 7min.
On the first day of October in Harrisburg, Pennsylvania, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 6:06 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in October in Harrisburg, Pennsylvania, is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in October in Harrisburg?

In October, in Harrisburg, Pennsylvania, the average high-temperature is 62.8°F (17.1°C), and the average low-temperature is 46°F (7.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in October in Harrisburg?

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

How many days does it rain in October in Harrisburg?

In Harrisburg, Pennsylvania, in October, during 9.7 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When it does not snow in Harrisburg?

May through October are months without snowfall in Harrisburg.

Does it snow in Harrisburg in October?

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

How many hours of daylight does Harrisburg have in October?

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

What time are sunrise and sunset in October in Harrisburg?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:50 pm. On the last day of the month, in Harrisburg, sunrise is at 7:35 am and sunset at 6:06 pm EDT.

How many hours of sunshine does Harrisburg have in October?

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

What is the UV index reading in October in Harrisburg?

In Harrisburg, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Harrisburg, PA

Average temperature in October - Harrisburg, 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: 46°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

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Average pressure in October
Harrisburg, PA

Average pressure in October - Harrisburg, PA
  • Average pressure in October: 30.04"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
Harrisburg, PA

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

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in October
Harrisburg, PA

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

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

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Average rainfall in October
Harrisburg, PA

Average rainfall in October - Harrisburg, PA
  • Average rainfall in October: 1.06"

The wettest month (with the highest rainfall) is August (1.3").
The driest months (with the least rainfall) are January and February (0.71").

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Average rainfall days in October
Harrisburg, PA

Average rainfall days in October - Harrisburg, PA
  • Average rainfall days in October: 9.7 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in October
Harrisburg, PA

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

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Harrisburg, PA

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

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

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 22min).

  • Average sunshine in October: 5h and 24min

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
Harrisburg, PA

Average sunshine days in October - Harrisburg, PA
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.1 days).

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Average UV index in October
Harrisburg, PA

Average UV index in October - Harrisburg, 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
Harrisburg, PA

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

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

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Average visibility in October
Harrisburg, PA

Average visibility in October - Harrisburg, 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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