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
The average high-temperature shows a slight dip in December, from November's mild 57.2°F (14°C) to a frosty 48.7°F (9.3°C). During December, the average low-temperature is a wintry 36°F (2.2°C).Humidity
March and December, with an average relative humidity of 79%, are the most humid months in New Johnsonville.Rainfall
In December, in New Johnsonville, the rain falls for 8.2 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in New Johnsonville, there are 115.4 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in New Johnsonville. In New Johnsonville, in December, snow falls for 1.2 days, with typically accumulated 0.2" (5mm) of snow. In New Johnsonville, during the entire year, snow falls for 6.2 days and aggregates up to 0.94" (24mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:02 am and sunset at 4:48 pm CST.
Sunshine
The average sunshine in December in New Johnsonville is 4.6h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in New Johnsonville. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in New Johnsonville in December?
What is the most humid month in New Johnsonville?
What is the average humidity in December in New Johnsonville?
How many days does it rain in December in New Johnsonville?
How many days does it snow in December in New Johnsonville?
What is the month with the shortest days in New Johnsonville?
How many hours of daylight does New Johnsonville have in December?
What time are sunrise and sunset in December in New Johnsonville?
How many hours of sunshine does New Johnsonville have in December?
When is the lowest UV index in New Johnsonville?
How high is the UV index in December in New Johnsonville?
Average temperature in December
New Johnsonville, TN
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 36°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
New Johnsonville, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
New Johnsonville, TN
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January, February and April (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
New Johnsonville, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
New Johnsonville, TN
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in December
New Johnsonville, TN
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (6.1 days).
Average snowfall in December
New Johnsonville, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is March (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
New Johnsonville, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (1.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
New Johnsonville, 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: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
New Johnsonville, TN
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in December
New Johnsonville, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
New Johnsonville, TN
- Average cloud cover in December: 52
The months with the most cloud cover are February and December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
New Johnsonville, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
New Johnsonville, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
