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
In Louisville, the month of January registers the lowest temperatures, averaging 44.8°F (7.1°C) at the peak and 29.5°F (-1.4°C) at the lowest.Humidity
The average relative humidity in January in Louisville, Tennessee, is 76%.Rainfall
In Louisville, in January, during 11.1 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Louisville, during the entire year, the rain falls for 148.2 days and collects up to 18.23" (463mm) of precipitation.Snowfall
January through March, October through December are months with snowfall in Louisville. In Louisville, during January, snow falls for 5.4 days and regularly aggregates up to 0.87" (22mm) of snow. In Louisville, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.Daylight
The average length of the day in January is 10h and 4min.On the first day of the month, sunrise is at 7:46 am and sunset at 5:33 pm. On the last day of January, sunrise is at 7:37 am and sunset at 6:01 pm EST.
Sunshine
With an average of 5.1h of sunshine, January has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct Sun exposure should be minimized especially during midday when radiation is most intense. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the average January temperature?
What is the average humidity in January in Louisville?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Louisville have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Louisville, TN
- Average high temperature in January: 44.8°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in January: 29.5°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in January
Louisville, TN
- 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
Louisville, TN
- Average wind speed in January: 5.5mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in January
Louisville, TN
- Average humidity in January: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in January
Louisville, TN
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in January
Louisville, TN
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in January
Louisville, TN
- Average snowfall in January: 0.87"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Louisville, TN
- Average snowfall days in January: 5.4 days
The month with the highest number of snowfall days is January (5.4 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
Louisville, TN
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in January
Louisville, TN
- Average sunshine days in January: 16 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in January
Louisville, TN
- 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
Louisville, TN
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in January
Louisville, TN
- Average visibility in January: 5mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Louisville, Tennessee, USA
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