January weather forecast
Blue Grass, TN

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Weather in January

January, like December, is another chilly winter month in Blue Grass, Tennessee, with an average temperature ranging between max 44.8°F (7.1°C) and min 29.7°F (-1.3°C).

Temperature

Blue Grass's coldest temperatures are experienced in January, with average high temperatures of 44.8°F (7.1°C) and lows of 29.7°F (-1.3°C).

Humidity

In January, the average relative humidity in Blue Grass is 76%.

Rainfall

In Blue Grass, Tennessee, during January, the rain falls for 14.7 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, in Blue Grass, there are 177.6 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Blue Grass, in January, snow falls for 5.5 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 19 snowfall days, and 5.59" (142mm) of snow is accumulated.

Daylight

In January, the average length of the day in Blue Grass is 10h and 3min.
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

January has the least sunshine of the year in Blue Grass, 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 Blue Grass. 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, the maximum UV index of 2 transforms into these recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 14, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest time of year in Blue Grass?

January is the coldest month in Blue Grass, Tennessee, with the temperature often reaching an average high of 44.8°F (7.1°C) and an average low of 29.7°F (-1.3°C).

What are January temperatures in Blue Grass?

The high-temperature in Blue Grass, Tennessee, during January is 44.8°F (7.1°C) and the low-temperature is 29.7°F (-1.3°C).

What is the average humidity in January in Blue Grass?

In January, the average relative humidity is 76%.

How much does it rain in Blue Grass in January?

In January, in Blue Grass, the rain falls for 14.7 days. Throughout January, 3.31" (84mm) of precipitation is accumulated.

How many days does it snow in January in Blue Grass?

In January, it is snowing for 5.5 days. Throughout January, 1.34" (34mm) of snow is accumulated.

How many hours of daylight does Blue Grass have in January?

In January, the average day length in Blue Grass is 10h and 3min.

When is the sunrise / sunset in January in Blue Grass?

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.

What is the month with the least sunshine in Blue Grass?

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

How many hours of sunshine does Blue Grass have in January?

In Blue Grass, the average sunshine duration in January is 5.1h.

What is the month with the lowest UV index in Blue Grass?

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

What is the UV index intensity in January in Blue Grass?

In Blue Grass, Tennessee, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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 January
Blue Grass, TN

Average temperature in January - Blue Grass, TN
  • Average high temperature in January: 44.8°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).

  • Average low temperature in January: 29.7°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in January
Blue Grass, TN

Average pressure in January - Blue Grass, 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
Blue Grass, TN

Average wind speed in January - Blue Grass, TN
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in January
Blue Grass, TN

Average humidity in January - Blue Grass, 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
Blue Grass, TN

Average rainfall in January - Blue Grass, TN
  • Average rainfall in January: 3.31"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in January
Blue Grass, TN

Average rainfall days in January - Blue Grass, TN
  • Average rainfall days in January: 14.7 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in January
Blue Grass, TN

Average snowfall in January - Blue Grass, TN
  • Average snowfall in January: 1.34"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in January
Blue Grass, TN

Average snowfall days in January - Blue Grass, TN
  • Average snowfall days in January: 5.5 days

The month with the highest number of snowfall days is January (5.5 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
Blue Grass, TN

Average daylight in January / Average sunshine in January - Blue Grass, TN
  • Average daylight in January: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
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 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in January
Blue Grass, TN

Average sunshine days in January - Blue Grass, TN
  • Average sunshine days in January: 12.8 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in January
Blue Grass, TN

Average UV index in January - Blue Grass, 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
Blue Grass, TN

Average cloud cover in January - Blue Grass, TN
  • Average cloud cover in January: 48

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in January
Blue Grass, TN

Average visibility in January - Blue Grass, 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).

Blue Grass, Tennessee, USA

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