December weather forecast
Kansas City, MO

Panorama of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city
Panorama of Kansas City, Missouri in the US, with an old statue of a scout boy looking towards the city

Weather in December

The first month of the winter, December, is still a cold month in Kansas City, Missouri, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 41.7°F (5.4°C).

Temperature

In December, the average high-temperature decreases from a cool 54.1°F (12.3°C) in November to a cold 41.7°F (5.4°C). In December, in Kansas City, the average low-temperature is 25.5°F (-3.6°C).

Humidity

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

Rainfall

In December, in Kansas City, Missouri, the rain falls for 5.4 days. Throughout December, 1.77" (45mm) of precipitation is accumulated. In Kansas City, Missouri, during the entire year, the rain falls for 90.8 days and collects up to 39.06" (992mm) of precipitation.

Snowfall

Months with snowfall in Kansas City are January through April, October through December. December is the month with the most snowfall in Kansas City. Snow falls for 2.5 days and accumulates 4.41" (112mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 29min of daylight.
On the first day of December, sunrise is at 7:18 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:05 pm CST.

Sunshine

December has the least sunshine of the year in Kansas City, with an average of 4.7h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Kansas City?

The average high-temperature, in December, in Kansas City, is 41.7°F (5.4°C), while the average low-temperature is 25.5°F (-3.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is estimated at 102.2°F (39°C).

What is the most humid month in Kansas City?

The most humid month in Kansas City is December, with an average relative humidity of 71%.

What is the average humidity in December in Kansas City?

In December, the average relative humidity is 71%.

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

In December, the rain falls for 5.4 days. Throughout December, 1.77" (45mm) of precipitation is accumulated.

When does it snow the most in Kansas City?

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

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

In Kansas City, in December, snow falls for 2.5 days, with typically accumulated 4.41" (112mm) of snow.

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

With an average of 9h and 29min of daylight, December has the shortest days of the year.

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

The average day length in December in Kansas City, Missouri, is 9h and 29min.

When is the sunrise / sunset in December in Kansas City?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 4:56 pm. On the last day of the month, in Kansas City, Missouri, sunrise is at 7:37 am and sunset at 5:05 pm CST.

What is the month with the least sunshine in Kansas City?

The month with the least sunshine in Kansas City, Missouri, is December, with an average of 4.7h of sunshine.

How long on average sun shines in December in Kansas City?

In Kansas City, Missouri, the average sunshine duration in December is 4.7h.

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

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Kansas City.

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

The average daily maximum UV index in December in Kansas City is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Kansas City, MO

Average temperature in December - Kansas City, MO
  • Average high temperature in December: 41.8°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (39.5°F).

  • Average low temperature in December: 25.6°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (22.4°F).

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Average humidity in December
Kansas City, MO

Average humidity in December - Kansas City, MO
  • Average humidity in December: 71%

The month with the highest relative humidity is December (71%).
The month with the lowest relative humidity is April (62.9%).

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Average rainfall in December
Kansas City, MO

Average rainfall in December - Kansas City, MO
  • Average rainfall in December: 1.8"

The wettest month (with the highest rainfall) is June (5.5").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in December
Kansas City, MO

Average rainfall days in December - Kansas City, MO
  • Average rainfall days in December: 5.4 days

The month with the highest number of rainy days is May (11 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in December
Kansas City, MO

Average snowfall in December - Kansas City, MO
  • Average snowfall in December: 4.4"

The month with the highest snowfall is December (4.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Kansas City, MO

Average snowfall days in December - Kansas City, MO
  • Average snowfall days in December: 2.5 days

The months with the highest number of snowfall days are January and December (2.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Kansas City, MO
  • Average daylight in December: 9h and 29min

The month with the longest days is June (Average daylight: 14h and 52min).
The month with the shortest days is December (Average daylight: 9h and 29min).

  • Average sunshine in December: 4h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average UV index in December
Kansas City, MO

Average UV index in December - Kansas City, MO
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 2).

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