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
In December, the average high-temperature in Shelbyville marginally drops from a mild 57.6°F (14.2°C) in November to a cool 50°F (10°C). Throughout the month of December, Shelbyville witnesses an average temperature of 36.3°F (2.4°C).Humidity
The most humid month in Shelbyville is December, with an average relative humidity of 80%.Rainfall
In Shelbyville, in December, it is raining for 12.1 days, with typically 3.35" (85mm) of accumulated precipitation. Throughout the year, there are 167.2 rainfall days, and 38.78" (985mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Shelbyville, Tennessee, during December, snow falls for 2 days and regularly aggregates up to 0.55" (14mm) of snow. In Shelbyville, during the entire year, snow falls for 10.7 days and aggregates up to 2.83" (72mm) of snow.Daylight
December has the shortest days of the year in Shelbyville, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:33 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:43 pm CST.
Sunshine
In December, the average sunshine in Shelbyville is 4.6h.UV index
January 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 minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Shelbyville in December?
What is the most humid month in Shelbyville?
What is the average humidity in December in Shelbyville?
How much does it rain in Shelbyville in December?
How much does it snow in Shelbyville in December?
What is the month with the shortest days in Shelbyville?
How many hours of daylight does Shelbyville have in December?
When is the sunrise / sunset in December in Shelbyville?
How long on average sun shines in December in Shelbyville?
When is the lowest UV index in Shelbyville?
What is the UV index intensity in December in Shelbyville?
Average temperature in December
Shelbyville, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Shelbyville, 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
Shelbyville, TN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Shelbyville, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Shelbyville, TN
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Shelbyville, TN
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Shelbyville, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Shelbyville, TN
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.1 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
Shelbyville, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Shelbyville, TN
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Shelbyville, 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
Shelbyville, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Shelbyville, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Shelbyville, Tennessee, USA
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