October weather forecast
South Williamson, KY

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Weather in October

October, the same as September, is another enjoyable autumn month in South Williamson, Kentucky, with an average temperature fluctuating between 66.2°F (19°C) and 46.9°F (8.3°C).

Temperature

South Williamson's progression into October includes a drop in the average high-temperature, from a warm 78.6°F (25.9°C) in September to a comfortable 66.2°F (19°C). South Williamson's temperature lowers to a mean of 46.9°F (8.3°C) during the nights in October.

Humidity

In October, the average relative humidity is 77%.

Rainfall

In South Williamson, in October, during 11.1 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 30.43" (773mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.75" (19mm) of snow. Throughout the year, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

In South Williamson, the average length of the day in October is 11h and 13min.
On the first day of the month, sunrise is at 7:25 am and sunset at 7:11 pm. On the last day of October, sunrise is at 7:54 am and sunset at 6:31 pm EDT.

Sunshine

In October, the average sunshine in South Williamson, Kentucky, is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 during October translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

The average high-temperature, in October, in South Williamson, is 66.2°F (19°C), while the average low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 93.2°F (34°C).

What is the average humidity in October?

In South Williamson, Kentucky, the average relative humidity in October is 77%.

How many days does it rain in October?

In October, the rain falls for 11.1 days. Throughout October, 2.44" (62mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.75" (19mm) of snow.

How many hours of daylight does South Williamson have in October?

The average day length in October is 11h and 13min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:25 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:31 pm EDT.

How many hours of sunshine does South Williamson have in October?

The average sunshine duration in October is 6.3h.

How high is the UV index in October?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
South Williamson, KY

Average temperature in October - South Williamson, KY
  • Average high temperature in October: 66.2°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in October
South Williamson, KY

Average pressure in October - South Williamson, KY
  • 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 (29.98"Hg).

Average wind speed in October
South Williamson, KY

Average wind speed in October - South Williamson, KY
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in October
South Williamson, KY

Average humidity in October - South Williamson, KY
  • Average humidity in October: 77%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

Average rainfall in October
South Williamson, KY

Average rainfall in October - South Williamson, KY
  • Average rainfall in October: 2.44"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in October
South Williamson, KY

Average rainfall days in October - South Williamson, KY
  • Average rainfall days in October: 11.1 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in October
South Williamson, KY

Average snowfall in October - South Williamson, KY
  • Average snowfall in October: 0.75"

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

Average snowfall days in October
South Williamson, KY

Average snowfall days in October - South Williamson, KY
  • Average snowfall days in October: 0.9 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
South Williamson, KY

Average daylight in October / Average sunshine in October - South Williamson, KY
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in October
South Williamson, KY

Average sunshine days in October - South Williamson, KY
  • Average sunshine days in October: 17.7 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in October
South Williamson, KY

Average UV index in October - South Williamson, KY
  • Average UV index in October: 3

The months with the highest UV index are June 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
South Williamson, KY

Average cloud cover in October - South Williamson, KY
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in October
South Williamson, KY

Average visibility in October - South Williamson, KY
  • Average visibility in October: 5mi

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

South Williamson, Kentucky, USA

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