December weather forecast
Jennings, MO

Share

Weather in December

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

Temperature

December brings a decrease in the average high-temperature, falling from November's fresh 53.4°F (11.9°C) to an icy 42.6°F (5.9°C). Jennings records a consistent low-temperature of 30.6°F (-0.8°C) during December nights.

Humidity

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

Rainfall

In Jennings, in December, it is raining for 7.5 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Jennings, Missouri, during December, snow falls for 3.1 days and regularly aggregates up to 1.85" (47mm) of snow. In Jennings, during the entire year, snow falls for 16.2 days and aggregates up to 8.19" (208mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December in Jennings, 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.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Jennings in December?

During December, Jennings experiences an average high-temperature of 42.6°F (5.9°C) and a low-temperature of 30.6°F (-0.8°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in December?

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

How many days does it rain in December?

In Jennings, Missouri, during December, the rain falls for 7.5 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How many days does it snow in December?

In Jennings, during December, snow falls for 3.1 days and regularly aggregates up to 1.85" (47mm) of snow.

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.

How many hours of daylight does Jennings have in December?

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

When are sunrise and sunset in December?

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

How many hours of sunshine does Jennings have in December?

In December, the average sunshine duration is 4.9h.

When is 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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Jennings, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location