Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month of the year, registering average temperatures as high as 40.1°F (4.5°C) and as low as 26.8°F (-2.9°C).Humidity
In January, the average relative humidity in South Williamson is 80%.Rainfall
In South Williamson, during January, the rain falls for 10.8 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 163.6 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in South Williamson. In January, it is snowing for 9.8 days. Throughout January, 3.62" (92mm) of snow is accumulated. In South Williamson, during the entire year, snow falls for 32.9 days and aggregates up to 16.81" (427mm) of snow.Daylight
In January, the average length of the day is 9h and 55min.On the first day of January, sunrise is at 7:44 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:51 pm EST.
Sunshine
The month with the least sunshine in South Williamson is January, with an average of 4.1h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during January translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What time of the year is the coldest in South Williamson?
How cold is January in South Williamson?
What is the average humidity in January in South Williamson?
How many days does it rain in January in South Williamson?
How many days does it snow in January in South Williamson?
What is the average length of the day in January in South Williamson?
When are sunrise and sunset in January in South Williamson?
What is the month with the least sunshine in South Williamson?
How long on average sun shines in January in South Williamson?
What are the months with the lowest UV index in South Williamson?
What is the UV index reading in January in South Williamson?
Average temperature in January
South Williamson, KY
- Average high temperature in January: 40.1°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 January: 26.8°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 January
South Williamson, KY
- Average pressure in January: 30.15"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 January
South Williamson, KY
- Average wind speed in January: 6.3mph
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 January
South Williamson, KY
- Average humidity in January: 80%
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 January
South Williamson, KY
- Average rainfall in January: 2.4"
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 January
South Williamson, KY
- Average rainfall days in January: 10.8 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 January
South Williamson, KY
- Average snowfall in January: 3.62"
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 January
South Williamson, KY
- Average snowfall days in January: 9.8 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 January /
Average sunshine in January
South Williamson, KY
- Average daylight in January: 9h and 5min
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 January: 4h and 1min
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 January
South Williamson, KY
- Average sunshine days in January: 12.6 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 January
South Williamson, KY
- Average UV index in January: 2
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 January
South Williamson, KY
- Average cloud cover in January: 59
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 January
South Williamson, KY
- Average visibility in January: 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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