December weather forecastColumbus, MO
December
Weather in December
The first month of the winter, December, is also an icy month in Columbus, Missouri, with an average temperature varying between 41.5°F (5.3°C) and 28.4°F (-2°C).Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to an icy 41.5°F (5.3°C) from a fresh 53.1°F (11.7°C). Columbus records a steady low-temperature average of 28.4°F (-2°C) during December.Humidity
The average relative humidity in December is 75%.Rainfall
In Columbus, during December, the rain falls for 5.8 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Columbus, during the entire year, the rain falls for 138.6 days and collects up to 28.31" (719mm) of precipitation.Snowfall
January through March, May, October through December are months with snowfall. In December, it is snowing for 3.1 days. Throughout December, 0.98" (25mm) of snow is accumulated. Throughout the year, there are 17.3 snowfall days, and 8.62" (219mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:03 pm CST.
Sunshine
In December, the average sunshine is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Columbus, MO
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Columbus, MO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Columbus, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Columbus, MO
- Average humidity in December: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Columbus, MO
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Columbus, MO
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Columbus, MO
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Columbus, MO
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Columbus, MO
- Average daylight in December: 9h and 30min
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: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Columbus, MO
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Columbus, MO
- 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
Columbus, MO
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Columbus, MO
- 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).





