October weather forecast
Greeneville, TN

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Weather in October

October, the same as September, is another refreshing autumn month in Greeneville, Tennessee, with an average temperature ranging between min 46°F (7.8°C) and max 67.1°F (19.5°C).

Temperature

October indicates a shift in the average high-temperature, from September's moderately hot 79°F (26.1°C) to a comfortable 67.1°F (19.5°C). Throughout the month of October, the average temperature dips to a chilly 46°F (7.8°C) at night.

Humidity

The average relative humidity in October is 76%.

Rainfall

In Greeneville, in October, it is raining for 11.5 days, with typically 2.52" (64mm) of accumulated precipitation. Throughout the year, there are 188.6 rainfall days, and 32.87" (835mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in Greeneville, there are 31.5 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 16min.
On the first day of the month, sunrise is at 7:27 am and sunset at 7:14 pm. On the last day of October, sunrise is at 7:53 am and sunset at 6:35 pm EDT.

Sunshine

In October, the average sunshine is 7h.

UV index

In Greeneville, Tennessee, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In October, a regular UV index of 3 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

The average high-temperature and low-temperature during October are 67.1°F (19.5°C) and 46°F (7.8°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 91.4°F (33°C).

What is the average humidity in October?

In October, the average relative humidity is 76%.

How many days does it rain in October in Greeneville?

In Greeneville, Tennessee, in October, during 11.5 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow.

How many hours of daylight does Greeneville have in October?

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

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:27 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:35 pm EDT.

How long on average sun shines in October?

The average sunshine duration in October is 7h.

How high is the UV index in October?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Greeneville, TN

Average temperature in October - Greeneville, TN
  • Average high temperature in October: 67.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in October
Greeneville, TN

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in October
Greeneville, TN

Average wind speed in October - Greeneville, TN
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in October
Greeneville, TN

Average humidity in October - Greeneville, TN
  • Average humidity in October: 76%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in October
Greeneville, TN

Average rainfall in October - Greeneville, TN
  • Average rainfall in October: 2.52"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in October
Greeneville, TN

Average rainfall days in October - Greeneville, TN
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in October
Greeneville, TN

Average snowfall in October - Greeneville, TN
  • Average snowfall in October: 0.39"

The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Greeneville, TN

Average snowfall days in October - Greeneville, TN
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Greeneville, 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 42min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in October
Greeneville, TN

Average sunshine days in October - Greeneville, TN
  • Average sunshine days in October: 16.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in October
Greeneville, TN

Average UV index in October - Greeneville, TN
  • 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 and December (UV index 2).

Average cloud cover in October
Greeneville, TN

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

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in October
Greeneville, TN

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

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

Greeneville, Tennessee, USA

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