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
With the arrival of December, Norris experiences a modest decline in average high-temperatures, transitioning from a moderate 55.8°F (13.2°C) in November to a frosty 47.8°F (8.8°C). In the month of December, Norris's average low-temperature falls to a wintry 34.3°F (1.3°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Norris, in December, it is raining for 15.1 days, with typically 3.58" (91mm) of accumulated precipitation. In Norris, during the entire year, the rain falls for 184.3 days and collects up to 40.16" (1020mm) of precipitation.Snowfall
Months with snowfall in Norris are January through April, October through December. In December, it is snowing for 4.5 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, in Norris, there are 22.9 snowfall days, and 6.61" (168mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Norris, Tennessee.On the first day of the month, sunrise is at 7:29 am and sunset at 5:21 pm. On the last day of December, in Norris, sunrise is at 7:47 am and sunset at 5:31 pm EST.
Sunshine
In Norris, the average sunshine in December is 4.9h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Norris. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the average December temperature in Norris?
What are the most humid months in Norris?
What is the average humidity in December in Norris?
How much does it rain in Norris in December?
How much does it snow in Norris in December?
What is the month with the shortest days in Norris?
What is the average length of the day in December in Norris?
What time are sunrise and sunset in December in Norris?
How many hours of sunshine does Norris have in December?
When is the lowest UV index in Norris?
What is the UV index intensity in December in Norris?
Average temperature in December
Norris, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Norris, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Norris, 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 (3.5mph).
Average humidity in December
Norris, TN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are June, July and August (75%).
Average rainfall in December
Norris, TN
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (4.8").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Norris, TN
- Average rainfall days in December: 15.1 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Norris, TN
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Norris, TN
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.1 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
Norris, TN
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Norris, TN
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Norris, 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
Norris, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Norris, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Norris, Tennessee, USA
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