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
With its high average temperature of 40.3°F (4.6°C) and a low of 27°F (-2.8°C), January is regarded as the coldest month.Humidity
In Jackson, the average relative humidity in January is 78%.Rainfall
In Jackson, in January, it is raining for 12.7 days, with typically 2.72" (69mm) of accumulated precipitation. In Jackson, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, it is snowing for 11.7 days. Throughout January, 3.86" (98mm) of snow is accumulated. In Jackson, during the entire year, snow falls for 39.8 days and aggregates up to 17.32" (440mm) of snow.Daylight
The average length of the day in January is 9h and 55min.On the first day of January in Jackson, sunrise is at 7:48 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:55 pm EST.
Sunshine
January has the least sunshine of the year, 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 2 in January translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold does it get in January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January in Jackson?
What is the average length of the day in January?
What time are sunrise and sunset in January in Jackson?
What is the month with the least sunshine?
How many hours of sunshine does Jackson have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Jackson, KY
- Average high temperature in January: 40.3°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Jackson, KY
- Average pressure in January: 30.16"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Jackson, KY
- Average wind speed in January: 6.9mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Jackson, KY
- Average humidity in January: 78%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in January
Jackson, KY
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Jackson, KY
- Average rainfall days in January: 12.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in January
Jackson, KY
- Average snowfall in January: 3.86"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Jackson, KY
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Jackson, 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 months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Jackson, KY
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Jackson, KY
- Average UV index in January: 2
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 January
Jackson, KY
- Average cloud cover in January: 58
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Jackson, KY
- Average visibility in January: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Jackson, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location