December weather forecast
Kansas City, MO

As the year concludes, December in Kansas City brings back the full force of winter. The temperature plunges to an average low of 25.6°F (-3.6°C), and the city is often veiled under a thick layer of snow. With the least amount of sunshine, shorter days, and freezing nights, Kansas City immerses itself in a classic winter experience. As snowflakes pattern the cityscape, the city glows under the festive lights, offering the final magic touch to the year.

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a fresh 54.1°F (12.3°C) in November to a cold 41.7°F (5.4°C). Kansas City's temperature drops to an average low of 25.5°F (-3.6°C) during the nights of December.

Humidity

With an average relative humidity of 71%, December is the most humid month.

Rainfall

In December, in Kansas City, Missouri, the rain falls for 5.4 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 90.8 rainfall days, and 39.06" (992mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Kansas City is December, when snow falls for 2.5 days and typically aggregates up to 4.41" (112mm) of snow.

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 7:19 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:05 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.7h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.