October weather forecast
Harrison, TN

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Weather in October

October, like September, is another pleasant autumn month in Harrison, Tennessee, with temperature in the range of an average high of 71.1°F (21.7°C) and an average low of 49.8°F (9.9°C).

Temperature

Onset of October comes with a temperature decline, the average high falling from a warm 82.6°F (28.1°C) in September to a pleasant 71.1°F (21.7°C). Harrison records a consistent low-temperature of 49.8°F (9.9°C) during October nights.

Humidity

June, August and October, with an average relative humidity of 74%, are the least humid months.

Rainfall

In Harrison, in October, during 9.7 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Harrison, during the entire year, the rain falls for 156.7 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

In Harrison, Tennessee, snow does not fall in May through October.

Daylight

In October, the average length of the day in Harrison is 11h and 17min.
On the first day of October in Harrison, sunrise is at 7:35 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 6:46 pm EDT.

Sunshine

The average sunshine in October is 7.3h.

UV index

In Harrison, the average daily maximum UV index in October is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 during October translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Harrison?

The high-temperature in Harrison during October is 71.1°F (21.7°C) and the low-temperature is 49.8°F (9.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 89.6°F (32°C).

What is the least humid month in Harrison?

The months with the lowest humidity in Harrison are June, August and October, with an average relative humidity of 74%.

What is the average humidity in October in Harrison?

The average relative humidity in October in Harrison is 74%.

How many days does it rain in October in Harrison?

In Harrison, during October, the rain falls for 9.7 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When it does not snow in Harrison?

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

Does it snow in Harrison in October?

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

What is the average length of the day in October in Harrison?

The average day length in October in Harrison, Tennessee, is 11h and 17min.

What time are sunrise and sunset in October in Harrison?

On the first day of October in Harrison, sunrise is at 7:35 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 6:46 pm EDT.

How many hours of sunshine does Harrison have in October?

In October, the average sunshine duration in Harrison is 7.3h.

What is the UV index reading in October in Harrison?

In Harrison, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Harrison, TN

Average temperature in October - Harrison, TN
  • Average high temperature in October: 71.1°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in October: 49.8°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in October
Harrison, TN

Average pressure in October - Harrison, TN
  • Average pressure in October: 30.06"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in October
Harrison, TN

Average wind speed in October - Harrison, TN
  • Average wind speed in October: 5.3mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in October
Harrison, TN

Average humidity in October - Harrison, TN
  • Average humidity in October: 74%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).

Average rainfall in October
Harrison, TN

Average rainfall in October - Harrison, TN
  • Average rainfall in October: 2.44"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in October
Harrison, TN

Average rainfall days in October - Harrison, TN
  • Average rainfall days in October: 9.7 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in October
Harrison, TN

Average snowfall in October - Harrison, TN
  • Average snowfall in October: 0"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in October
Harrison, TN

Average snowfall days in October - Harrison, TN
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Harrison, TN

Average daylight in October / Average sunshine in October - Harrison, TN
  • Average daylight in October: 11h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in October
Harrison, TN

Average sunshine days in October - Harrison, TN
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in October
Harrison, TN

Average UV index in October - Harrison, TN
  • Average UV index in October: 4

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 and December (UV index 2).

Average cloud cover in October
Harrison, TN

Average cloud cover in October - Harrison, TN
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in October
Harrison, TN

Average visibility in October - Harrison, TN
  • Average visibility in October: 6mi

The months with the highest visibility are February, March, April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, May and December (5mi).

Harrison, Tennessee, USA

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