January weather forecast
Louisville, TN

Share

Weather in January

January, the same as December, in Louisville, Tennessee, is a frosty winter month, with an average temperature fluctuating between 44.8°F (7.1°C) and 29.5°F (-1.4°C).

Temperature

In Louisville, Tennessee, the month of January is known for its lowest average temperatures, reaching a high of 44.8°F (7.1°C) and a low of 29.5°F (-1.4°C).

Humidity

The average relative humidity in January is 76%.

Rainfall

In Louisville, Tennessee, during January, the rain falls for 11.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. 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, in January, during 5.4 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, in Louisville, there are 18.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

In January, the average length of the day in Louisville is 10h and 4min.
On the first day of January, sunrise is at 7:46 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:01 pm EST.

Sunshine

January has the least sunshine of the year, with an average of 5.1h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Louisville. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 in January translates into this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
[Resources]

Frequently asked questions

What part of the year is the coldest in Louisville?

January, known for its average high temperature of 44.8°F (7.1°C) and an average low temperature of 29.5°F (-1.4°C), is the coldest month.

What are the temperatures in Louisville in January?

The high-temperature, in January, in Louisville, is 44.8°F (7.1°C), while the low-temperature averages to 29.5°F (-1.4°C).

What is the average humidity in January in Louisville?

The average relative humidity in January is 76%.

How much does it rain in Louisville in January?

In January, in Louisville, the rain falls for 11.1 days. Throughout January, 1.3" (33mm) of precipitation is accumulated.

How many days does it snow in January in Louisville?

In Louisville, Tennessee, in January, snow falls for 5.4 days, with typically accumulated 0.87" (22mm) of snow.

What is the average length of the day in January in Louisville?

In Louisville, Tennessee, the average day length in January is 10h and 4min.

When are sunrise and sunset in January in Louisville?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:01 pm EST.

What is the month with the least sunshine in Louisville?

With an average of 5.1h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Louisville?

The average sunshine duration in January is 5.1h.

What are the months with the lowest UV index in Louisville?

The months with the lowest UV index in Louisville, Tennessee, are January, February and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Louisville?

In Louisville, Tennessee, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
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 January
Louisville, TN

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).

[Resources]

Average pressure in January
Louisville, TN

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).

[Resources]

Average wind speed in January
Louisville, TN

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).

[Resources]

Average humidity in January
Louisville, TN

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%).

[Resources]

Average rainfall in January
Louisville, TN

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").

[Resources]

Average rainfall days in January
Louisville, TN

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).

[Resources]

Average snowfall in January
Louisville, TN

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").

[Resources]

Average snowfall days in January
Louisville, TN

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).

[Resources]

Average daylight in January /
Average sunshine in January
Louisville, TN

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).

[Resources]

Average sunshine days in January
Louisville, TN

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).

[Resources]

Average UV index in January
Louisville, TN

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).

[Resources]

Average cloud cover in January
Louisville, TN

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).

[Resources]

Average visibility in January
Louisville, TN

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).

[Resources]

Louisville, Tennessee, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location