Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Blue Grass records a mild change in average high-temperature during December, easing from a moderate 57°F (13.9°C) in November to a chilly 49.1°F (9.5°C). During the month of December, Blue Grass's nighttime temperature lowers to an average of 35.4°F (1.9°C).Humidity
The most humid month in Blue Grass, Tennessee, is December, with an average relative humidity of 79%.Rainfall
In Blue Grass, during December, the rain falls for 14.2 days and regularly aggregates up to 3.86" (98mm) of precipitation. Throughout the year, in Blue Grass, there are 177.6 rainfall days, and 37.91" (963mm) of precipitation is accumulated.Snowfall
Months with snowfall in Blue Grass are January through April, October through December. In Blue Grass, during December, snow falls for 3.5 days and regularly aggregates up to 0.83" (21mm) of snow. In Blue Grass, Tennessee, during the entire year, snow falls for 19 days and aggregates up to 5.59" (142mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Blue Grass, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:32 pm EST.
Sunshine
The average sunshine in December is 5.2h.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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Blue Grass?
What is the most humid month in Blue Grass?
What is the average humidity in December in Blue Grass?
How many days does it rain in December in Blue Grass?
How many days does it snow in December in Blue Grass?
What is the month with the shortest days in Blue Grass?
How many hours of daylight does Blue Grass have in December?
What time are sunrise and sunset in December in Blue Grass?
How many hours of sunshine does Blue Grass have in December?
What are the months with the lowest UV index in Blue Grass?
What is the UV index intensity in December in Blue Grass?
Average temperature in December
Blue Grass, TN
- Average high temperature in December: 49.1°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 December: 35.4°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 December
Blue Grass, TN
- Average pressure in December: 30.14"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 December
Blue Grass, TN
- Average wind speed in December: 5.2mph
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 December
Blue Grass, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Blue Grass, TN
- Average rainfall in December: 3.86"
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 December
Blue Grass, TN
- Average rainfall days in December: 14.2 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 December
Blue Grass, TN
- Average snowfall in December: 0.83"
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 December
Blue Grass, TN
- Average snowfall days in December: 3.5 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 December /
Average sunshine in December
Blue Grass, TN
- Average daylight in December: 9h and 5min
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 December: 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 December
Blue Grass, TN
- Average sunshine days in December: 14.5 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 December
Blue Grass, TN
- Average UV index in December: 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 December
Blue Grass, TN
- Average cloud cover in December: 47
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 December
Blue Grass, TN
- Average visibility in December: 6mi
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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