December weather forecast
Kansas City, KS

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Weather in December

December brings Kansas City, Kansas into the heart of winter, marked by the plummeting temperatures from November's averages. Rainfall amounts are low as snow becomes the predominant precipitation form. Despite shorter daylight hours, the city is still illuminated by occasional sunny days. December's weather echoes January's patterns, demonstrating the cyclical nature of the city's weather. As the month progresses, Kansas City gears up for the cold spell of January, once again completing the yearly weather cycle.

Temperature

The onset of December entails a temperature shift, as the average high-temperature decreases from a fresh 52.5°F (11.4°C) in November to a cold 40.8°F (4.9°C). During December, Kansas City experiences a consistent low-temperature average of 27.3°F (-2.6°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Kansas City, Kansas, in December, it is raining for 5.2 days, with typically 0.91" (23mm) of accumulated precipitation. In Kansas City, during the entire year, the rain falls for 129.2 days and collects up to 20.75" (527mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Kansas City. In Kansas City, Kansas, during December, snow falls for 3.3 days and regularly aggregates up to 0.63" (16mm) of snow. In Kansas City, during the entire year, snow falls for 16.5 days and aggregates up to 4.69" (119mm) of snow.

Daylight

The month with the shortest days in Kansas City is December, 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 5:06 pm CST.

Sunshine

In Kansas City, the average sunshine in December is 5.4h.

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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Enhance your sun protection with tightly woven, yet airy clothing. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

Is December cold in Kansas City?

An average high-temperature, in December, in Kansas City, is 40.8°F (4.9°C) and the average low-temperature is 27.3°F (-2.6°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 95°F (35°C).

What is the average humidity in December in Kansas City?

In December, the average relative humidity in Kansas City is 74%.

How many days does it rain in December in Kansas City?

In Kansas City, in December, during 5.2 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

How much does it snow in Kansas City in December?

In Kansas City, in December, during 3.3 snowfall days, 0.63" (16mm) of snow is typically accumulated.

What is the month with the shortest days in Kansas City?

December has the shortest days of the year in Kansas City, Kansas, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Kansas City?

In December, the average day length in Kansas City is 9h and 28min.

When are sunrise and sunset in December in Kansas City?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 4:56 pm. On the last day of the month, in Kansas City, Kansas, sunrise is at 7:37 am and sunset at 5:06 pm CST.

How many hours of sunshine does Kansas City have in December?

In Kansas City, the average sunshine duration in December is 5.4h.

What are the months with the lowest UV index in Kansas City?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Kansas City?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Kansas City, KS

Average temperature in December - Kansas City, KS
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

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Average pressure in December
Kansas City, KS

Average pressure in December - Kansas City, KS
  • 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 (29.89"Hg).

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Average wind speed in December
Kansas City, KS

Average wind speed in December - Kansas City, KS
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Kansas City, KS

Average humidity in December - Kansas City, KS
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in December
Kansas City, KS

Average rainfall in December - Kansas City, KS
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Kansas City, KS

Average rainfall days in December - Kansas City, KS
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in December
Kansas City, KS

Average snowfall in December - Kansas City, KS
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Kansas City, KS

Average snowfall days in December - Kansas City, KS
  • Average snowfall days in December: 3.3 days

The months with the highest number of snowfall days are January and February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Kansas City, KS

Average daylight in December / Average sunshine in December - Kansas City, KS
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Kansas City, KS

Average sunshine days in December - Kansas City, KS
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in December
Kansas City, KS

Average UV index in December - Kansas City, KS
  • 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).

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Average cloud cover in December
Kansas City, KS

Average cloud cover in December - Kansas City, KS
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).

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Average visibility in December
Kansas City, KS

Average visibility in December - Kansas City, KS
  • 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).

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Kansas City, Kansas, USA

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