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
Commerce's December weather features a light decline in high-temperatures, reducing from a refreshing 56.7°F (13.7°C) in November to a frosty 48.6°F (9.2°C). In Commerce, the nighttime temperature averages to an icy 35.2°F (1.8°C) during December.Humidity
December is the most humid month in Commerce, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. Throughout the year, there are 177.2 rainfall days, and 40.94" (1040mm) of precipitation is accumulated.Snowfall
Months with snowfall in Commerce are January through April, November and December. In Commerce, in December, snow falls for 2.6 days, with typically accumulated 0.39" (10mm) of snow. In Commerce, Tennessee, during the entire year, snow falls for 14 days and aggregates up to 3.58" (91mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:29 pm. On the last day of December, sunrise is at 6:55 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine in Commerce, Tennessee, is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Commerce. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What are the temperatures in Commerce in December?
What is the most humid month in Commerce?
What is the average humidity in December in Commerce?
How many days does it rain in December in Commerce?
How much does it snow in Commerce in December?
What is the month with the shortest days in Commerce?
How many hours of daylight does Commerce have in December?
When are sunrise and sunset in December in Commerce?
How long on average sun shines in December in Commerce?
What are the months with the lowest UV index in Commerce?
How high is the UV index in December in Commerce?
Average temperature in December
Commerce, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in December
Commerce, 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 (29.97"Hg).
Average wind speed in December
Commerce, TN
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Commerce, 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
Commerce, TN
- Average rainfall in December: 3.27"
The wettest months (with the highest rainfall) are February and July (4.17").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Commerce, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Commerce, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Commerce, TN
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (4.5 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
Commerce, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Commerce, TN
- Average sunshine days in December: 15.2 days
The months with the most sunshine days are October and November (18 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Commerce, 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
Commerce, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Commerce, 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).
Commerce, Tennessee, USA
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