December weather forecast
Fenton, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Fenton, Missouri, with an average temperature varying between 43°F (6.1°C) and 30.6°F (-0.8°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a cool 53.4°F (11.9°C) in November to a frosty 43°F (6.1°C). Throughout the month of December, the average temperature in Fenton dips to a subzero cold 30.6°F (-0.8°C) at night.

Humidity

In Fenton, the average relative humidity in December is 75%.

Rainfall

In Fenton, Missouri, in December, it is raining for 7.2 days, with typically 2.01" (51mm) of accumulated precipitation. In Fenton, during the entire year, the rain falls for 141.7 days and collects up to 32.01" (813mm) of precipitation.

Snowfall

Months with snowfall are January through March, September, November and December. In Fenton, during December, snow falls for 3.6 days and regularly aggregates up to 0.87" (22mm) of snow. In Fenton, during the entire year, snow falls for 18.9 days and aggregates up to 7.2" (183mm) 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 December, sunrise is at 7:00 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:51 pm CST.

Sunshine

In December, the average sunshine is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Fenton, Missouri. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Frequently asked questions

How cold is it in Fenton in December?

During December, Fenton experiences an average high-temperature of 43°F (6.1°C) and a low-temperature of 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 98.6°F (37°C).

What is the average humidity in December in Fenton?

In Fenton, Missouri, the average relative humidity in December is 75%.

How many days does it rain in December in Fenton?

In Fenton, Missouri, during December, the rain falls for 7.2 days and regularly aggregates up to 2.01" (51mm) of precipitation.

How much does it snow in Fenton in December?

In Fenton, Missouri, in December, snow falls for 3.6 days, with typically accumulated 0.87" (22mm) of snow.

What is the month with the shortest days in Fenton?

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

How many hours of daylight does Fenton have in December?

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

When is the sunrise / sunset in December in Fenton?

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 7:19 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Fenton?

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

What are the months with the lowest UV index in Fenton?

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

What is the UV index intensity in December in Fenton?

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

Average temperature in December - Fenton, MO
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 30.6°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).

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Average pressure in December
Fenton, MO

Average pressure in December - Fenton, 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
Fenton, MO

Average wind speed in December - Fenton, MO
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Fenton, MO

Average humidity in December - Fenton, MO
  • Average humidity in December: 75%

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

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Average rainfall in December
Fenton, MO

Average rainfall in December - Fenton, MO
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").

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Average rainfall days in December
Fenton, MO

Average rainfall days in December - Fenton, MO
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Fenton, MO

Average snowfall in December - Fenton, MO
  • Average snowfall in December: 0.87"

The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in December
Fenton, MO

Average snowfall days in December - Fenton, MO
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Fenton, 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 months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in December
Fenton, MO

Average sunshine days in December - Fenton, MO
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).

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Average UV index in December
Fenton, MO

Average UV index in December - Fenton, 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, November and December (UV index 2).

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Average cloud cover in December
Fenton, MO

Average cloud cover in December - Fenton, MO
  • Average cloud cover in December: 49

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).

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Average visibility in December
Fenton, MO

Average visibility in December - Fenton, 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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Fenton, Missouri, USA

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