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
Johnsons Mill's progression into December involves a minor drop in the average high-temperature, slightly receding from a refreshing 56.8°F (13.8°C) in November to a chilly 49.1°F (9.5°C). Throughout December, the average low-temperature in Johnsons Mill, Tennessee, records at a wintry 35.6°F (2°C).Humidity
The months with the highest humidity in Johnsons Mill are March and December, with an average relative humidity of 79%.Rainfall
In Johnsons Mill, during December, the rain falls for 13.2 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, in Johnsons Mill, there are 178.7 rainfall days, and 39.21" (996mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Johnsons Mill. In Johnsons Mill, during December, snow falls for 2.4 days and regularly aggregates up to 0.75" (19mm) of snow. In Johnsons Mill, during the entire year, snow falls for 13.4 days and aggregates up to 3.78" (96mm) of snow.Daylight
The month with the shortest days in Johnsons Mill is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:41 am and sunset at 4:35 pm. On the last day of December, in Johnsons Mill, sunrise is at 6:58 am and sunset at 4:45 pm CST.
Sunshine
The months with the least sunshine in Johnsons Mill, Tennessee, are February and December, with an average of 4.6h of sunshine.UV index
The months with the lowest UV index in Johnsons Mill are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are December temperatures in Johnsons Mill?
What is the most humid month in Johnsons Mill?
What is the average humidity in December in Johnsons Mill?
How much does it rain in Johnsons Mill in December?
How many days does it snow in December in Johnsons Mill?
What is the month with the shortest days in Johnsons Mill?
What is the average length of the day in December in Johnsons Mill?
When are sunrise and sunset in December in Johnsons Mill?
What are the months with the least sunshine in Johnsons Mill?
How many hours of sunshine does Johnsons Mill have in December?
What are the months with the lowest UV index in Johnsons Mill?
What is the UV index reading in December in Johnsons Mill?
Average temperature in December
Johnsons Mill, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (30.7°F).
Average pressure in December
Johnsons Mill, 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 Mill, TN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Johnsons Mill, 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 (74%).
Average rainfall in December
Johnsons Mill, TN
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Johnsons Mill, TN
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Johnsons Mill, TN
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Johnsons Mill, TN
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (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 Mill, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
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 months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Johnsons Mill, TN
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Johnsons Mill, 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 and December (UV index 2).
Average cloud cover in December
Johnsons Mill, 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
Johnsons Mill, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Johnsons Mill, Tennessee, USA
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