December weather forecast
Overland, MO

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Weather in December

December, the first month of the winter in Overland, is also a wintry month, with an average temperature ranging between min 30°F (-1.1°C) and max 42.1°F (5.6°C).

Temperature

The start of December involves a temperature drop, moving from a cool 53.2°F (11.8°C) in November to a cold 42.1°F (5.6°C). Overland's nights in December experience an average temperature drop to a subzero cold 30°F (-1.1°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Overland, during December, the rain falls for 7.3 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Overland, during the entire year, the rain falls for 141.9 days and collects up to 27.68" (703mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Overland, in December, during 4.4 snowfall days, 1.81" (46mm) of snow is typically accumulated. In Overland, during the entire year, snow falls for 21.6 days and aggregates up to 6.73" (171mm) 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 the month, sunrise is at 7:01 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:50 pm CST.

Sunshine

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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jun 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 42.1°F (5.6°C) and 30°F (-1.1°C) respectively. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 95°F (35°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In Overland, in December, it is raining for 7.3 days, with typically 1.73" (44mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 4.4 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Overland have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:01 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:50 pm CST.

How many hours of sunshine does Overland have in December?

In December, the average sunshine duration is 4.9h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In Overland, the average daily maximum UV index in December is 2. A UV Index value 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
Overland, MO

Average temperature in December - Overland, MO
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in December
Overland, MO

Average pressure in December - Overland, 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
Overland, MO

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

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in December
Overland, MO

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

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Overland, MO

Average rainfall in December - Overland, MO
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is February (1.42").

Average rainfall days in December
Overland, MO

Average rainfall days in December - Overland, MO
  • Average rainfall days in December: 7.3 days

The month with the highest number of rainy days is July (16.3 days).
The months with the least rainy days are February and December (7.3 days).

Average snowfall in December
Overland, MO

Average snowfall in December - Overland, MO
  • Average snowfall in December: 1.81"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Overland, MO

Average snowfall days in December - Overland, MO
  • Average snowfall days in December: 4.4 days

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

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

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

Average sunshine days in December
Overland, MO

Average sunshine days in December - Overland, MO
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.4 days).

Average UV index in December
Overland, MO

Average UV index in December - Overland, 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
Overland, MO

Average cloud cover in December - Overland, 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
Overland, MO

Average visibility in December - Overland, 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).

Overland, Missouri, USA

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