December weather forecast
Campbell, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Campbell, Missouri, with an average temperature ranging between min 35.4°F (1.9°C) and max 47.3°F (8.5°C).

Temperature

Campbell, Missouri, experiences a temperature shift at the start of December, with average high-temperatures adjusting from a moderate 56.5°F (13.6°C) in November to a frosty 47.3°F (8.5°C). Throughout the month of December, Campbell witnesses an average temperature of 35.4°F (1.9°C).

Humidity

In Campbell, the average relative humidity in December is 77%.

Rainfall

In Campbell, in December, during 10.9 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 155.2 rainfall days, and 39.33" (999mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, October through December. In December, it is snowing for 1.4 days. Throughout December, 0.63" (16mm) of snow is accumulated. In Campbell, during the entire year, snow falls for 8.1 days and aggregates up to 4.37" (111mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:54 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:55 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jun 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Campbell, is 47.3°F (8.5°C), while the low-temperature averages to 35.4°F (1.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 10.9 days. Throughout December, 3.11" (79mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 1.4 days. Throughout December, 0.63" (16mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Campbell have in December?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:54 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:55 pm CST.

How many hours of sunshine does Campbell have in December?

In Campbell, the average sunshine duration in December is 4.9h.

When is the lowest UV index?

The month with the lowest UV index in Campbell is December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Campbell, MO

Average temperature in December - Campbell, MO
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (43.3°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in December
Campbell, MO

Average pressure in December - Campbell, MO
  • 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 (29.93"Hg).

Average wind speed in December
Campbell, MO

Average wind speed in December - Campbell, MO
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in December
Campbell, MO

Average humidity in December - Campbell, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).

Average rainfall in December
Campbell, MO

Average rainfall in December - Campbell, MO
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in December
Campbell, MO

Average rainfall days in December - Campbell, MO
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (10.2 days).

Average snowfall in December
Campbell, MO

Average snowfall in December - Campbell, MO
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Campbell, MO

Average snowfall days in December - Campbell, MO
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Campbell, MO

Average daylight in December / Average sunshine in December - Campbell, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 4h and 5min

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

Average sunshine days in December
Campbell, MO

Average sunshine days in December - Campbell, MO
  • Average sunshine days in December: 18 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (13.2 days).

Average UV index in December
Campbell, MO

Average UV index in December - Campbell, MO
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Campbell, MO

Average cloud cover in December - Campbell, MO
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Campbell, MO

Average visibility in December - Campbell, 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).

Campbell, Missouri, USA

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