October weather forecast and climate
Harrisburg, PA

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

What is the temperature in October in Harrisburg?

In October, the average high-temperature is 64°F (17.8°C), and the average low-temperature is 44.6°F (7°C).

How much does it rain in Harrisburg in October?

In Harrisburg, Pennsylvania, in October, during 8.8 rainfall days, typically 3.3" (83.1mm) of precipitation is accumulated.

Does it snow in Harrisburg in October?

In Harrisburg, in October, it doesn't snow. In November, it regularly snows.
Average temperature in October - Harrisburg, PA
  • Average high temperature in October: 17.8°C

The warmest month (with the highest average high temperature) is July (29.7°C).
The month with the lowest average high temperature is January (2.8°C).

  • Average low temperature in October: 7°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average humidity in October - Harrisburg, PA
  • Average humidity in October: 70.5%

The month with the highest relative humidity is September (73.8%).
The month with the lowest relative humidity is April (59.2%).

Average rainfall in October - Harrisburg, PA
  • Average rainfall in October: 83.1mm

The wettest month (with the highest rainfall) is July (117.1mm).
The driest month (with the lowest rainfall) is February (60.7mm).

Average rainfall days in October - Harrisburg, PA
  • Average rainfall days in October: 8.8 days

The month with the highest number of rainy days is May (12.2 days).
The month with the lowest number of rainy days is October (8.8 days).

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

The month with the highest snowfall is February (266.7mm).
Months with the lowest snowfall are May, June, July, August, September and October (0mm).

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 (5.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in October / Average sunshine in October - Harrisburg, PA
  • Average daylight in October: 11.1h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

  • Average sunshine in October: 6.4h

The month with most sunshine is July (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 4.1h).

Average UV index in October - Harrisburg, PA
  • Average UV index in October: 4

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).

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