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
A modest decline in the average high-temperature is seen during December, decreasing from a moderate 57.4°F (14.1°C) in November to a frosty 48.7°F (9.3°C). Throughout December, RoEllen experiences a low-temperature average of 36.5°F (2.5°C).Humidity
In RoEllen, the average relative humidity in December is 78%.Rainfall
In RoEllen, in December, it is raining for 12.1 days, with typically 3.39" (86mm) of accumulated precipitation. In RoEllen, during the entire year, the rain falls for 161.6 days and collects up to 38.39" (975mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In RoEllen, Tennessee, in December, snow falls for 0.9 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 7.6 snowfall days, and 4.61" (117mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:49 am and sunset at 4:42 pm. On the last day of December, in RoEllen, sunrise is at 7:07 am and sunset at 4:53 pm CST.
Sunshine
In RoEllen, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the usual temperature for RoEllen in December?
What is the average humidity in December in RoEllen?
How much does it rain in RoEllen in December?
How many days does it snow in December in RoEllen?
What is the month with the shortest days in RoEllen?
How many hours of daylight does RoEllen have in December?
When is the sunrise / sunset in December in RoEllen?
How long on average sun shines in December in RoEllen?
When is the lowest UV index in RoEllen?
How high is the UV index in December in RoEllen?
Average temperature in December
RoEllen, TN
- Average high temperature in December: 48.7°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 (44.2°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure in December
RoEllen, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
RoEllen, TN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).
Average humidity in December
RoEllen, TN
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
RoEllen, TN
- Average rainfall in December: 3.39"
The wettest months (with the highest rainfall) are February and April (4.29").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
RoEllen, TN
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
RoEllen, TN
- Average snowfall in December: 0.75"
The month with the highest snowfall is March (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
RoEllen, TN
- Average snowfall days in December: 0.9 days
The months with the highest number of snowfall days are January and February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
RoEllen, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
RoEllen, TN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
RoEllen, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
RoEllen, TN
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
RoEllen, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
RoEllen, Tennessee, USA
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