October weather forecast
Heiskell, TN

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Weather in October

October, the same as September, in Heiskell, Tennessee, is an agreeable autumn month, with an average temperature varying between 49.1°F (9.5°C) and 69.4°F (20.8°C).

Temperature

October suggests a modest reduction in the average high-temperature, shifting from a moderately hot 82.2°F (27.9°C) in September to a pleasant 69.4°F (20.8°C). The average temperature drops to a frosty 49.1°F (9.5°C) during the night in the month of October.

Humidity

In October, the average relative humidity in Heiskell is 74%.

Rainfall

In Heiskell, Tennessee, in October, during 8.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Heiskell, during the entire year, the rain falls for 148.9 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in October is 11h and 16min.
On the first day of the month, sunrise is at 7:31 am and sunset at 7:19 pm. On the last day of October, in Heiskell, Tennessee, sunrise is at 7:58 am and sunset at 6:40 pm EDT.

Sunshine

The average sunshine in October in Heiskell is 7h.

UV index

In October, the average daily maximum UV index in Heiskell, Tennessee, is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 4 in October, converts into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the usual temperature for Heiskell in October?

In Heiskell, in October, the average high-temperature is 69.4°F (20.8°C), and the average low-temperature is 49.1°F (9.5°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in October in Heiskell?

The average relative humidity in October is 74%.

How many days does it rain in October in Heiskell?

In October, the rain falls for 8.8 days. Throughout October, 2.09" (53mm) of precipitation is accumulated.

When it does not snow in Heiskell?

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

Does it snow in Heiskell in October?

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

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

In Heiskell, Tennessee, the average day length in October is 11h and 16min.

When are sunrise and sunset in October in Heiskell?

In October, on the first day of the month, sunrise is at 7:31 am and sunset at 7:19 pm. On the last day of the month, in Heiskell, Tennessee, sunrise is at 7:58 am and sunset at 6:40 pm EDT.

How long on average sun shines in October in Heiskell?

In Heiskell, Tennessee, the average sunshine duration in October is 7h.

How high is the UV index in October in Heiskell?

The average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Heiskell, TN

Average temperature in October - Heiskell, TN
  • Average high temperature in October: 69.4°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 (44.8°F).

  • Average low temperature in October: 49.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in October
Heiskell, TN

Average pressure in October - Heiskell, 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).

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Average wind speed in October
Heiskell, TN

Average wind speed in October - Heiskell, TN
  • Average wind speed in October: 4.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in October
Heiskell, TN

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

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).

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Average rainfall in October
Heiskell, TN

Average rainfall in October - Heiskell, TN
  • Average rainfall in October: 2.09"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in October
Heiskell, TN

Average rainfall days in October - Heiskell, TN
  • Average rainfall days in October: 8.8 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in October
Heiskell, TN

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

The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Heiskell, TN

Average snowfall days in October - Heiskell, TN
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in October
Heiskell, TN

Average sunshine days in October - Heiskell, TN
  • Average sunshine days in October: 20.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in October
Heiskell, TN

Average UV index in October - Heiskell, 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, February and December (UV index 2).

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Average cloud cover in October
Heiskell, TN

Average cloud cover in October - Heiskell, TN
  • Average cloud cover in October: 34

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in October
Heiskell, TN

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

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

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Heiskell, Tennessee, USA

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