December weather forecast
Jennings, MO

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Weather in December

December, the first month of the winter in Jennings, is also a wintry month, with temperature in the range of an average low of 30.6°F (-0.8°C) and an average high of 42.6°F (5.9°C).

Temperature

The shift from November to December corresponds with a decrease in the average high-temperature, down to an icy 42.6°F (5.9°C) from a cool 53.4°F (11.9°C). Nightly temperatures in Jennings drop to an average low of 30.6°F (-0.8°C) in December.

Humidity

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

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. In Jennings, during the entire year, the rain falls for 144.8 days and collects up to 30.59" (777mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Jennings, Missouri. In December, it is snowing for 3.1 days. Throughout December, 1.85" (47mm) of snow is accumulated. Throughout the year, in Jennings, there are 16.2 snowfall days, and 8.19" (208mm) of snow is accumulated.

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 7:00 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:49 pm CST.

Sunshine

In December, the average sunshine in Jennings is 4.9h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold does it get in Jennings in December?

Jennings in December has an average high-temperature of 42.6°F (5.9°C) and an average low-temperature of 30.6°F (-0.8°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is evaluated at 95°F (35°C).

What is the average humidity in December in Jennings?

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

How many days does it rain in December in Jennings?

In Jennings, Missouri, in December, it is raining for 7.5 days, with typically 2.05" (52mm) of accumulated precipitation.

How much does it snow in Jennings in December?

In Jennings, in December, during 3.1 snowfall days, 1.85" (47mm) of snow is typically accumulated.

What is the month with the shortest days in Jennings?

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

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

In December, the average day length in Jennings, Missouri, is 9h and 31min.

When are sunrise and sunset in December in Jennings?

On the first day of December, sunrise is at 7:00 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:49 pm CST.

How long on average sun shines in December in Jennings?

In Jennings, the average sunshine duration in December is 4.9h.

When is the lowest UV index in Jennings?

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

How high is the UV index in December in Jennings?

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

Average temperature in December - Jennings, MO
  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Jennings, MO

Average pressure in December - Jennings, 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
Jennings, MO

Average wind speed in December - Jennings, MO
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in December
Jennings, MO

Average humidity in December - Jennings, 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 (70%).

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Average rainfall in December
Jennings, MO

Average rainfall in December - Jennings, MO
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in December
Jennings, MO

Average rainfall days in December - Jennings, MO
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

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Average snowfall in December
Jennings, MO

Average snowfall in December - Jennings, MO
  • Average snowfall in December: 1.85"

The month with the highest snowfall is February (2.6").
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
Jennings, MO

Average snowfall days in December - Jennings, MO
  • Average snowfall days in December: 3.1 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Jennings, 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 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in December
Jennings, MO

Average sunshine days in December - Jennings, MO
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in December
Jennings, MO

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

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Average cloud cover in December
Jennings, MO

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

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Jennings, MO

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

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