December weather forecast
Oak Ridge, MO

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Weather in December

December, the first month of the winter in Oak Ridge, is also a frosty month, with an average temperature varying between 32.5°F (0.3°C) and 45°F (7.2°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a cool 54.5°F (12.5°C) in November to a chilly 45°F (7.2°C). December brings Oak Ridge a consistent average low-temperature of 32.5°F (0.3°C).

Humidity

In December, the average relative humidity in Oak Ridge, Missouri, is 77%.

Rainfall

In December, the rain falls for 10.4 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 157.6 rainfall days, and 34.45" (875mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Oak Ridge are January through April, November and December. In Oak Ridge, in December, during 1.9 snowfall days, 1.02" (26mm) of snow is typically accumulated. Throughout the year, in Oak Ridge, there are 13 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:55 am and sunset at 4:41 pm. On the last day of December, in Oak Ridge, sunrise is at 7:13 am and sunset at 4:51 pm CST.

Sunshine

January, February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Oak Ridge.

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 low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 2 during December leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What are December temperatures in Oak Ridge?

The average high-temperature, in December, in Oak Ridge, is 45°F (7.2°C), while the average low-temperature is 32.5°F (0.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 98.6°F (37°C).

What is the average humidity in December in Oak Ridge?

In Oak Ridge, the average relative humidity in December is 77%.

How many days does it rain in December in Oak Ridge?

In December, the rain falls for 10.4 days. Throughout December, 2.24" (57mm) of precipitation is accumulated.

How many days does it snow in December in Oak Ridge?

In Oak Ridge, Missouri, in December, during 1.9 snowfall days, 1.02" (26mm) of snow is typically accumulated.

What is the month with the shortest days in Oak Ridge?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Oak Ridge, Missouri.

How many hours of daylight does Oak Ridge have in December?

The average day length in December in Oak Ridge, Missouri, is 9h and 38min.

When are sunrise and sunset in December in Oak Ridge?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:41 pm. On the last day of the month, in Oak Ridge, Missouri, sunrise is at 7:13 am and sunset at 4:51 pm CST.

What are the months with the least sunshine in Oak Ridge?

The months with the least sunshine in Oak Ridge are January, February and December, with an average of 4.8h of sunshine.

How many hours of sunshine does Oak Ridge have in December?

In December, the average sunshine duration is 4.8h.

When is the lowest UV index in Oak Ridge?

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

What is the UV index intensity in December in Oak Ridge?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Oak Ridge, MO

Average temperature in December - Oak Ridge, MO
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 32.5°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 (27.1°F).

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Average pressure in December
Oak Ridge, MO

Average pressure in December - Oak Ridge, MO
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Oak Ridge, MO

Average wind speed in December - Oak Ridge, MO
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in December
Oak Ridge, MO

Average humidity in December - Oak Ridge, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Oak Ridge, MO

Average rainfall in December - Oak Ridge, MO
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in December
Oak Ridge, MO

Average rainfall days in December - Oak Ridge, MO
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in December
Oak Ridge, MO

Average snowfall in December - Oak Ridge, MO
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Oak Ridge, MO

Average snowfall days in December - Oak Ridge, MO
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Oak Ridge, MO

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).

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Average sunshine days in December
Oak Ridge, MO

Average sunshine days in December - Oak Ridge, MO
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Oak Ridge, MO

Average UV index in December - Oak Ridge, 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
Oak Ridge, MO

Average cloud cover in December - Oak Ridge, MO
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in December
Oak Ridge, MO

Average visibility in December - Oak Ridge, 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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Oak Ridge, Missouri, USA

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