October weather forecast
Chattanooga, TN

Panorama of the area of Chattanooga, Tennessee
Panorama of the area of Chattanooga, Tennessee

Weather in October

October, like September, is an agreeable autumn month in Chattanooga, Tennessee, with an average temperature ranging between max 70.2°F (21.2°C) and min 49.3°F (9.6°C).

Temperature

In Chattanooga, the average high-temperature in October decreases from a warm 81.9°F (27.7°C) in September to an agreeable 70.2°F (21.2°C). In Chattanooga, the average low-temperature is 49.3°F (9.6°C).

Humidity

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

Rainfall

In October, in Chattanooga, the rain falls for 10.6 days. Throughout October, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 174.4 rainfall days, and 41.14" (1045mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Chattanooga, the average length of the day in October is 11h and 17min.
On the first day of the month, sunrise is at 7:36 am and sunset at 7:25 pm. On the last day of October, in Chattanooga, Tennessee, sunrise is at 8:01 am and sunset at 6:48 pm EDT.

Sunshine

In October, the average sunshine in Chattanooga is 7.2h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the least humid month in Chattanooga?

June through August, October and November, with an average relative humidity of 75%, are the least humid months in Chattanooga, Tennessee.

What is the average humidity in October in Chattanooga?

In October, the average relative humidity in Chattanooga, Tennessee, is 75%.

How many days does it rain in October in Chattanooga?

In Chattanooga, in October, during 10.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

When it does not snow in Chattanooga?

May through October are months without snowfall in Chattanooga, Tennessee.

Does it snow in Chattanooga in October?

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

How many hours of daylight does Chattanooga have in October?

The average day length in October in Chattanooga is 11h and 17min.

When are sunrise and sunset in October in Chattanooga?

In October, on the first day of the month, sunrise is at 7:36 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Chattanooga have in October?

In October, the average sunshine duration in Chattanooga is 7.2h.

What is the UV index intensity in October in Chattanooga?

The average daily maximum UV index in October in Chattanooga is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Chattanooga, TN

Average temperature in October - Chattanooga, TN
  • Average high temperature in October: 70.2°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in October: 49.3°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).

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Average pressure in October
Chattanooga, TN

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in October
Chattanooga, TN

Average wind speed in October - Chattanooga, TN
  • Average wind speed in October: 5.1mph

The windiest month (with the highest average wind speed) is February (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in October
Chattanooga, TN

Average humidity in October - Chattanooga, TN
  • Average humidity in October: 75%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, July, August, October and November (75%).

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Average rainfall in October
Chattanooga, TN

Average rainfall in October - Chattanooga, TN
  • Average rainfall in October: 2.8"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is September (2.56").

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Average rainfall days in October
Chattanooga, TN

Average rainfall days in October - Chattanooga, TN
  • Average rainfall days in October: 10.6 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.8 days).

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Average snowfall in October
Chattanooga, TN

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

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Chattanooga, TN

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

The month with the highest number of snowfall days is January (4.1 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
Chattanooga, TN

Average daylight in October / Average sunshine in October - Chattanooga, TN
  • Average daylight in October: 11h and 17min

The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 51min).

  • Average sunshine in October: 7h and 12min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in October
Chattanooga, TN

Average sunshine days in October - Chattanooga, TN
  • Average sunshine days in October: 18.9 days

The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in October
Chattanooga, TN

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

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Average cloud cover in October
Chattanooga, TN

Average cloud cover in October - Chattanooga, TN
  • Average cloud cover in October: 33

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in October
Chattanooga, TN

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

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

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