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
With the arrival of December, Columbia experiences a modest decline in average high-temperatures, transitioning from a fresh 55°F (12.8°C) in November to a frosty 46.2°F (7.9°C). Columbia witnesses a consistent average low-temperature of 34°F (1.1°C) throughout December.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Columbia, Kentucky, in December, it is raining for 13.1 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 174.3 rainfall days, and 38.27" (972mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Columbia, Kentucky, during December, snow falls for 4.9 days and regularly aggregates up to 1.34" (34mm) of snow. In Columbia, during the entire year, snow falls for 25.3 days and aggregates up to 9.13" (232mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:36 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:34 pm CST.
Sunshine
In December, the average sunshine is 4.4h.UV index
January, February 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 low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
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 Columbia have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Columbia, KY
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Columbia, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Columbia, KY
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Columbia, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Columbia, KY
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is February (3.86").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Columbia, KY
- Average rainfall days in December: 13.1 days
The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Columbia, KY
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Columbia, KY
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.4 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
Columbia, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).
Average sunshine days in December
Columbia, KY
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Columbia, 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 and December (UV index 2).
Average cloud cover in December
Columbia, KY
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Columbia, 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).
Columbia, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location