December weather forecast
Warrenton, MO

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Weather in December

December, the first month of the winter in Warrenton, is still a cold month, with an average temperature fluctuating between 41.5°F (5.3°C) and 29.1°F (-1.6°C).

Temperature

With December's arrival, Warrenton sees a decrease in average high-temperatures, moving from a cool 52.7°F (11.5°C) in November to a wintry 41.5°F (5.3°C). Warrenton reports a consistent average low-temperature of 29.1°F (-1.6°C) throughout December nights.

Humidity

In Warrenton, the average relative humidity in December is 76%.

Rainfall

In Warrenton, in December, during 7.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Warrenton, during the entire year, the rain falls for 141.4 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

Months with snowfall in Warrenton are January through April, September, November and December. In Warrenton, in December, snow falls for 5.4 days, with typically accumulated 1.42" (36mm) of snow. In Warrenton, during the entire year, snow falls for 25.3 days and aggregates up to 6.85" (174mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:52 pm CST.

Sunshine

In Warrenton, Missouri, the average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In Warrenton, in December, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 29.1°F (-1.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 96.8°F (36°C).

What is the average humidity in December?

In Warrenton, the average relative humidity in December is 76%.

How much does it rain in December?

In Warrenton, in December, during 7.3 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

How many days does it snow in December in Warrenton?

In December, it is snowing for 5.4 days. Throughout December, 1.42" (36mm) of snow is accumulated.

What is the month with the shortest days in Warrenton?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 30min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:52 pm CST.

How many hours of sunshine does Warrenton have in December?

In Warrenton, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Warrenton, MO

Average temperature in December - Warrenton, MO
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Warrenton, MO

Average pressure in December - Warrenton, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Warrenton, MO

Average wind speed in December - Warrenton, MO
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in December
Warrenton, MO

Average humidity in December - Warrenton, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Warrenton, MO

Average rainfall in December - Warrenton, MO
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Warrenton, MO

Average rainfall days in December - Warrenton, MO
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in December
Warrenton, MO

Average snowfall in December - Warrenton, MO
  • Average snowfall in December: 1.42"

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

Average snowfall days in December
Warrenton, MO

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

The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Warrenton, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Warrenton, MO

Average sunshine days in December - Warrenton, MO
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in December
Warrenton, MO

Average UV index in December - Warrenton, MO
  • 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).

Average cloud cover in December
Warrenton, MO

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

The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in December
Warrenton, MO

Average visibility in December - Warrenton, 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).

Warrenton, Missouri, USA

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