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 onset of December brings a small shift in high-temperatures, falling from a cool 55°F (12.8°C) in November to a frosty 46.2°F (7.9°C). Columbia reports an average nighttime low-temperature of 34°F (1.1°C) in December.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Columbia, in December, during 13.1 rainfall days, 3.31" (84mm) of precipitation is typically accumulated. In Columbia, during the entire year, the rain falls for 174.3 days and collects up to 38.27" (972mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Columbia, in December, during 4.9 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 25.3 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
December has the shortest days of the year in Columbia, 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 in Columbia. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the usual temperature for Columbia in December?
What are the most humid months in Columbia?
What is the average humidity in December in Columbia?
How many days does it rain in December in Columbia?
How many days does it snow in December in Columbia?
What is the month with the shortest days in Columbia?
How many hours of daylight does Columbia have in December?
When are sunrise and sunset in December in Columbia?
How many hours of sunshine does Columbia have in December?
When is the lowest UV index in Columbia?
What is the UV index reading in December in Columbia?
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
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