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 marginally drops from a moderate 57.4°F (14.1°C) in November to a frosty 48.7°F (9.3°C). Yorkville observes an average nighttime temperature of 36.5°F (2.5°C) during December.Humidity
The average relative humidity in December is 78%.Rainfall
In Yorkville, in December, it is raining for 12.1 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 161.6 rainfall days, and 38.39" (975mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, in Yorkville, it is snowing for 0.9 days. Throughout December, 0.75" (19mm) of snow is accumulated. Throughout the year, there are 7.6 snowfall days, and 4.61" (117mm) of snow is accumulated.Daylight
The month with the shortest days in Yorkville, Tennessee, is December, with an average of 9h and 48min of daylight.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, sunrise is at 7:07 am and sunset at 4:52 pm CST.
Sunshine
In December, the average sunshine in Yorkville is 4.9h.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index in Yorkville. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the average December temperature in Yorkville?
What is the average humidity in December in Yorkville?
How much does it rain in Yorkville in December?
How many days does it snow in December in Yorkville?
What is the month with the shortest days in Yorkville?
What is the average length of the day in December in Yorkville?
What time are sunrise and sunset in December in Yorkville?
How many hours of sunshine does Yorkville have in December?
What are the months with the lowest UV index in Yorkville?
How high is the UV index in December in Yorkville?
Average temperature in December
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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
Yorkville, 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).
Yorkville, Tennessee, USA
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