December weather forecast
Allenton, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Allenton, Missouri, with an average temperature fluctuating between 30.2°F (-1°C) and 43.3°F (6.3°C).

Temperature

The onset of December results in a decrease in the average high-temperature, receding from a fresh 53.8°F (12.1°C) in November to a frosty 43.3°F (6.3°C). Allenton records an average low of 30.2°F (-1°C) throughout the nights in December.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Allenton, during December, the rain falls for 6.1 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 134.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 4.1 days and typically aggregates up to 1.3" (33mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:01 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:52 pm CST.

Sunshine

In December, the average sunshine in Allenton is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Allenton, records 43.3°F (6.3°C), while the low-temperature is 30.2°F (-1°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 98.6°F (37°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Allenton, during December, the rain falls for 6.1 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 4.1 days and accumulates 1.3" (33mm) of snow.

How much does it snow in December?

In Allenton, in December, during 4.1 snowfall days, 1.3" (33mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Allenton, the average day length in December is 9h and 32min.

When are sunrise and sunset in December in Allenton?

In December, on the first day of the month, sunrise is at 7:01 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:52 pm CST.

How long on average sun shines in December?

In Allenton, the average sunshine duration in December is 4.8h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Allenton, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Allenton, MO

Average temperature in December - Allenton, MO
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in December
Allenton, MO

Average pressure in December - Allenton, 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
Allenton, MO

Average wind speed in December - Allenton, MO
  • Average wind speed in December: 8.1mph

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 (5.3mph).

Average humidity in December
Allenton, MO

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Allenton, MO

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

The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is February (1.1").

Average rainfall days in December
Allenton, MO

Average rainfall days in December - Allenton, MO
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (6.1 days).

Average snowfall in December
Allenton, MO

Average snowfall in December - Allenton, MO
  • Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Allenton, MO

Average snowfall days in December - Allenton, MO
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Allenton, 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: 4h and 5min

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
Allenton, MO

Average sunshine days in December - Allenton, MO
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is May (12.6 days).

Average UV index in December
Allenton, MO

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Allenton, MO

Average cloud cover in December - Allenton, MO
  • Average cloud cover in December: 48

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

Average visibility in December
Allenton, MO

Average visibility in December - Allenton, 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).

Allenton, Missouri, USA

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