October weather forecast
Harrisburg, OH

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Weather in October

October, the same as September, is another refreshing autumn month in Harrisburg, Ohio, with an average temperature fluctuating between 46.4°F (8°C) and 63.3°F (17.4°C).

Temperature

With October's arrival, Harrisburg sees a decrease in average high-temperatures, moving from a warm 75.4°F (24.1°C) in September to a comfortable 63.3°F (17.4°C). The low-temperature averages to a chilly 46.4°F (8°C) during the nights of October.

Humidity

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

Rainfall

In Harrisburg, during October, the rain falls for 9.7 days and regularly aggregates up to 1.06" (27mm) of precipitation. Throughout the year, there are 134.1 rainfall days, and 14.53" (369mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Harrisburg, Ohio, are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Harrisburg, during the entire year, snow falls for 28.8 days and aggregates up to 4.45" (113mm) of snow.

Daylight

In Harrisburg, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 7:29 am and sunset at 7:14 pm. On the last day of October, in Harrisburg, sunrise is at 8:01 am and sunset at 6:31 pm EDT.

Sunshine

The average sunshine in October in Harrisburg is 6.3h.

UV index

In Harrisburg, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 3 in October leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What are the temperatures in Harrisburg in October?

The average high-temperature, in October, in Harrisburg, is 63.3°F (17.4°C), while the average low-temperature is 46.4°F (8°C). The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 86°F (30°C).

What is the least humid month in Harrisburg?

The months with the lowest humidity in Harrisburg, Ohio, are October and November, with an average relative humidity of 75%.

What is the average humidity in October in Harrisburg?

In Harrisburg, Ohio, the average relative humidity in October is 75%.

How much does it rain in Harrisburg in October?

In October, in Harrisburg, the rain falls for 9.7 days. Throughout October, 1.06" (27mm) of precipitation is accumulated.

When does it start snowing in Harrisburg?

October is the first month it typically snows in Harrisburg. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Harrisburg have in October?

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

What time are sunrise and sunset in October in Harrisburg?

In October, on the first day of the month, sunrise is at 7:29 am and sunset at 7:14 pm. On the last day of the month, in Harrisburg, Ohio, sunrise is at 8:01 am and sunset at 6:31 pm EDT.

How long on average sun shines in October in Harrisburg?

In Harrisburg, the average sunshine duration in October is 6.3h.

What is the UV index reading in October in Harrisburg?

The average daily maximum UV index in October 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Harrisburg, OH

Average temperature in October - Harrisburg, OH
  • Average high temperature in October: 63.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 46.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in October
Harrisburg, OH

Average pressure in October - Harrisburg, OH
  • Average pressure in October: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in October
Harrisburg, OH

Average wind speed in October - Harrisburg, OH
  • Average wind speed in October: 7.9mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in October
Harrisburg, OH

Average humidity in October - Harrisburg, OH
  • Average humidity in October: 75%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in October
Harrisburg, OH

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

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is September (0.87").

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Average rainfall days in October
Harrisburg, OH

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

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in October
Harrisburg, OH

Average snowfall in October - Harrisburg, OH
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (1.22").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Harrisburg, OH

Average snowfall days in October - Harrisburg, OH
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (8.7 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
Harrisburg, OH

Average daylight in October / Average sunshine in October - Harrisburg, OH
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in October
Harrisburg, OH

Average sunshine days in October - Harrisburg, OH
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in October
Harrisburg, OH

Average UV index in October - Harrisburg, OH
  • 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, November and December (UV index 2).

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Average cloud cover in October
Harrisburg, OH

Average cloud cover in October - Harrisburg, OH
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in October
Harrisburg, OH

Average visibility in October - Harrisburg, OH
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Harrisburg, Ohio, USA

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