December weather forecast
Pevely, MO

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Weather in December

December, the first month of the winter in Pevely, is still a chilly month, with an average temperature varying between 30.7°F (-0.7°C) and 43.5°F (6.4°C).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a cool 54°F (12.2°C) in November to a chilly 43.5°F (6.4°C). Throughout the month of December, the average temperature in Pevely dips to a subzero cold 30.7°F (-0.7°C) at night.

Humidity

In December, the average relative humidity is 76%.

Rainfall

In Pevely, in December, it is raining for 8.6 days, with typically 2.56" (65mm) of accumulated precipitation. In Pevely, Missouri, during the entire year, the rain falls for 155 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Pevely. In December, it is snowing for 3.9 days. Throughout December, 2.05" (52mm) of snow is accumulated. Throughout the year, in Pevely, there are 19.9 snowfall days, and 8.43" (214mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Pevely.
On the first day of December, sunrise is at 7:00 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:51 pm CST.

Sunshine

The average sunshine in December is 5h.

UV index

The months with the lowest UV index in Pevely are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

How cold does it get in Pevely in December?

Pevely in December has an average high-temperature of 43.5°F (6.4°C) and an average low-temperature of 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 98.6°F (37°C).

What is the average humidity in December in Pevely?

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

How many days does it rain in December in Pevely?

In Pevely, in December, during 8.6 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in December in Pevely?

In Pevely, Missouri, in December, snow falls for 3.9 days, with typically accumulated 2.05" (52mm) of snow.

What is the month with the shortest days in Pevely?

December has the shortest days of the year in Pevely, Missouri, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Pevely?

The average day length in December is 9h and 33min.

What time are sunrise and sunset in December in Pevely?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:41 pm. On the last day of the month, in Pevely, sunrise is at 7:18 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Pevely?

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

What is the month with the lowest UV index in Pevely?

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

What is the UV index reading in December in Pevely?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Pevely, MO

Average temperature in December - Pevely, MO
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

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Average pressure in December
Pevely, MO

Average pressure in December - Pevely, 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).

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Average wind speed in December
Pevely, MO

Average wind speed in December - Pevely, MO
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Pevely, MO

Average humidity in December - Pevely, 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%).

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Average rainfall in December
Pevely, MO

Average rainfall in December - Pevely, MO
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in December
Pevely, MO

Average rainfall days in December - Pevely, MO
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in December
Pevely, MO

Average snowfall in December - Pevely, MO
  • Average snowfall in December: 2.05"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Pevely, MO

Average snowfall days in December - Pevely, MO
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).

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

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

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 36min).

  • 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 48min).

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Average sunshine days in December
Pevely, MO

Average sunshine days in December - Pevely, MO
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is July (10.7 days).

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Average UV index in December
Pevely, MO

Average UV index in December - Pevely, 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).

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Average cloud cover in December
Pevely, MO

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

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

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Average visibility in December
Pevely, MO

Average visibility in December - Pevely, 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).

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Pevely, Missouri, USA

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