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
The average high-temperature slightly decreases in December, shifting from a mild 56.8°F (13.8°C) in November to a chilly 48.2°F (9°C). Shackle Island registers a consistent average low-temperature of 35.4°F (1.9°C) during December.Humidity
The months with the highest humidity are March and December, with an average relative humidity of 78%.Rainfall
In December, the rain falls for 13.3 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Shackle Island, during the entire year, the rain falls for 178.6 days and collects up to 39.29" (998mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, in Shackle Island, it is snowing for 1.9 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, there are 11.8 snowfall days, and 3.62" (92mm) of snow is accumulated.Daylight
December has the shortest days of the year in Shackle Island, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:31 pm. On the last day of December, in Shackle Island, sunrise is at 6:57 am and sunset at 4:41 pm CST.
Sunshine
The months with the least sunshine in Shackle Island are January, February and December, with an average of 4.6h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Shackle Island. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are December temperatures in Shackle Island?
What are the most humid months in Shackle Island?
What is the average humidity in December in Shackle Island?
How much does it rain in Shackle Island in December?
How much does it snow in Shackle Island in December?
What is the month with the shortest days in Shackle Island?
How many hours of daylight does Shackle Island have in December?
When is the sunrise / sunset in December in Shackle Island?
What is the month with the least sunshine in Shackle Island?
How many hours of sunshine does Shackle Island have in December?
What is the month with the lowest UV index in Shackle Island?
How high is the UV index in December in Shackle Island?
Average temperature in December
Shackle Island, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Shackle Island, 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
Shackle Island, TN
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Shackle Island, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and December (78%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Shackle Island, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Shackle Island, TN
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Shackle Island, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Shackle Island, TN
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (4.2 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
Shackle Island, 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 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Shackle Island, TN
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Shackle Island, 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
Shackle Island, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Shackle Island, 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).
Shackle Island, Tennessee, USA
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