December weather forecast
Sheridan, MO

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Weather in December

The first month of the winter, December, is still a cold month in Sheridan, Missouri, with an average temperature fluctuating between 22.8°F (-5.1°C) and 35.2°F (1.8°C).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from a frosty 48.6°F (9.2°C) in November to a cold 35.2°F (1.8°C). Throughout the month of December, Sheridan sees a steady low-temperature average of 22.8°F (-5.1°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Sheridan, in December, during 4.6 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, there are 123.8 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Sheridan, during December, snow falls for 5.4 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, in Sheridan, there are 28.8 snowfall days, and 10.51" (267mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:01 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Sheridan, 35.2°F (1.8°C) is the average high-temperature and 22.8°F (-5.1°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 87.8°F (31°C).

What is the average humidity in December?

In Sheridan, the average relative humidity in December is 78%.

How much does it rain in December?

In Sheridan, in December, it is raining for 4.6 days, with typically 0.67" (17mm) of accumulated precipitation.

How many days does it snow in December?

In Sheridan, in December, during 5.4 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Sheridan have in December?

The average day length in December is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:23 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:01 pm CST.

How long on average sun shines in December in Sheridan?

In December, the average sunshine duration is 5h.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
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
Sheridan, MO

Average temperature in December - Sheridan, MO
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Sheridan, MO

Average pressure in December - Sheridan, 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 (29.88"Hg).

Average wind speed in December
Sheridan, MO

Average wind speed in December - Sheridan, MO
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in December
Sheridan, MO

Average humidity in December - Sheridan, MO
  • Average humidity in December: 78%

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Sheridan, MO

Average rainfall in December - Sheridan, MO
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days in December
Sheridan, MO

Average rainfall days in December - Sheridan, MO
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.9 days).

Average snowfall in December
Sheridan, MO

Average snowfall in December - Sheridan, MO
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sheridan, MO

Average snowfall days in December - Sheridan, MO
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sheridan, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in December
Sheridan, MO

Average sunshine days in December - Sheridan, MO
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (11.1 days).

Average UV index in December
Sheridan, MO

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Sheridan, MO

Average cloud cover in December - Sheridan, MO
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and September (Cloud cover 28).

Average visibility in December
Sheridan, MO

Average visibility in December - Sheridan, 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).

Sheridan, Missouri, USA

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