October weather forecastSwannsylvania, TN

October

Weather in October

October, the same as September, in Swannsylvania, Tennessee, is an agreeable autumn month, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 68.7°F (20.4°C).

Temperature

October weather is marked by a drop in the average high-temperature, falling from a warm 80.4°F (26.9°C) in September to a pleasant 68.7°F (20.4°C). In Swannsylvania, October's nights observe an average temperature dip to a frosty 47.3°F (8.5°C).

Humidity

The average relative humidity in October is 75%.

Rainfall

In Swannsylvania, in October, it is raining for 9.7 days, with typically 1.65" (42mm) of accumulated precipitation. In Swannsylvania, during the entire year, the rain falls for 150.7 days and collects up to 23.5" (597mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Swannsylvania, during the entire year, snow falls for 17.2 days and aggregates up to 5.39" (137mm) of snow.

Daylight

In Swannsylvania, the average length of the day in October is 11h and 16min.
On the first day of the month, sunrise is at 7:28 am and sunset at 7:16 pm. On the last day of October, sunrise is at 7:55 am and sunset at 6:38 pm EDT.

Sunshine

The average sunshine in October is 7.1h.

UV index

In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 during October leads to these advisories:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during October are 68.7°F (20.4°C) and 47.3°F (8.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 96.8°F (36°C).

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

In Swannsylvania, in October, it is raining for 9.7 days, with typically 1.65" (42mm) of accumulated precipitation.

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

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

On the first day of October, sunrise is at 7:28 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 6:38 pm EDT.

The average sunshine duration in October is 7.1h.

In Swannsylvania, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Swannsylvania, TN

  • Average high temperature in October: 68.7°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

Average pressure in October
Swannsylvania, 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 (29.99"Hg).

Average wind speed in October
Swannsylvania, TN

  • Average wind speed in October: 4.6mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in October
Swannsylvania, TN

  • Average humidity in October: 75%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in October
Swannsylvania, TN

  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is February (2.99").
The driest month (with the least rainfall) is September (1.22").

Average rainfall days in October
Swannsylvania, TN

  • Average rainfall days in October: 9.7 days

The months with the highest number of rainy days are May and July (15.3 days).
The month with the least rainy days is November (9.1 days).

Average snowfall in October
Swannsylvania, TN

  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Swannsylvania, TN

  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (4.8 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
Swannsylvania, TN

  • Average daylight in October: 11h and 18min

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 6min

The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in October
Swannsylvania, TN

  • Average sunshine days in October: 19.8 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in October
Swannsylvania, 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).

Average cloud cover in October
Swannsylvania, TN

  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 26).

Average visibility in October
Swannsylvania, TN

  • 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).