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
December's onset brings a slight change in high-temperatures, falling from a fresh 52.2°F (11.2°C) in November to a wintry 42.6°F (5.9°C). During the month of December, Shannon experiences a steady low-temperature average of 31.1°F (-0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. In Shannon, during the entire year, the rain falls for 164.5 days and collects up to 26.89" (683mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Shannon, during December, snow falls for 7.9 days and regularly aggregates up to 1.5" (38mm) of snow. Throughout the year, there are 34.9 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:24 pm EST.
Sunshine
In Shannon, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the most humid month in Shannon?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Shannon have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Shannon have in December?
When is the lowest UV index in Shannon?
What is the UV index reading in December?
Average temperature in December
Shannon, KY
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Shannon, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Shannon, KY
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Shannon, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).
Average rainfall in December
Shannon, KY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Shannon, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Shannon, KY
- Average snowfall in December: 1.5"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Shannon, KY
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shannon, KY
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Shannon, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Shannon, KY
- 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, November and December (UV index 2).
Average cloud cover in December
Shannon, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Shannon, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Shannon, Kentucky, USA
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