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
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderate 56.7°F (13.7°C) in November to a frosty 48.9°F (9.4°C). Throughout December nights, Johnsons Chapel experiences a consistent temperature average of 35.1°F (1.7°C).Humidity
December is the most humid month in Johnsons Chapel, with an average relative humidity of 80%.Rainfall
In Johnsons Chapel, in December, during 13.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Johnsons Chapel, Tennessee, during the entire year, the rain falls for 179.5 days and collects up to 39.06" (992mm) of precipitation.Snowfall
Months with snowfall in Johnsons Chapel are January through April, November and December. In Johnsons Chapel, Tennessee, in December, snow falls for 2.8 days, with typically accumulated 0.79" (20mm) of snow. In Johnsons Chapel, during the entire year, snow falls for 17 days and aggregates up to 3.74" (95mm) of snow.Daylight
December has the shortest days of the year in Johnsons Chapel, Tennessee, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:35 am and sunset at 4:28 pm. On the last day of December, sunrise is at 6:53 am and sunset at 4:38 pm CST.
Sunshine
In Johnsons Chapel, Tennessee, the average sunshine in December is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Johnsons Chapel?
What is the most humid month in Johnsons Chapel?
What is the average humidity in December in Johnsons Chapel?
How many days does it rain in December in Johnsons Chapel?
How much does it snow in Johnsons Chapel in December?
What is the month with the shortest days in Johnsons Chapel?
How many hours of daylight does Johnsons Chapel have in December?
When is the sunrise / sunset in December in Johnsons Chapel?
How long on average sun shines in December in Johnsons Chapel?
What are the months with the lowest UV index in Johnsons Chapel?
What is the UV index reading in December in Johnsons Chapel?
Average temperature in December
Johnsons Chapel, TN
- Average high temperature in December: 48.9°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 (44.2°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Johnsons Chapel, 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 (29.97"Hg).
Average wind speed in December
Johnsons Chapel, TN
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Johnsons Chapel, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Johnsons Chapel, TN
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Johnsons Chapel, TN
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Johnsons Chapel, TN
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Johnsons Chapel, TN
- Average snowfall days in December: 2.8 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).
Average daylight in December /
Average sunshine in December
Johnsons Chapel, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Johnsons Chapel, TN
- Average sunshine days in December: 14.3 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Johnsons Chapel, 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
Johnsons Chapel, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Johnsons Chapel, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Johnsons Chapel, Tennessee, USA
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