December weather forecast
Bartlesville, OK

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Weather in December

December ushers in the winter season in Bartlesville, commanding respect with chilly temperatures and limited daylight. Dense cloud cover takes over the sky, lending a wintry touch to the city’s appearance. The noticeably reduced daylight dwindles to a sparse 9.7 hours, quickening the arrival of darker evenings. Distinctively, the increase in snowfall to 0.51" (13mm) symbolizes the essence of the winter period. As the year concludes, Bartlesville's weather paints a chilly picture, preparing the inhabitants for another weather cycle.

Temperature

Bartlesville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's refreshing 57.7°F (14.3°C) to a frosty 47.3°F (8.5°C). The month of December records an average low-temperature of 32.2°F (0.1°C) in Bartlesville.

Humidity

The average relative humidity in December is 69%.

Rainfall

In Bartlesville, during December, the rain falls for 6.1 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Bartlesville, Oklahoma, during the entire year, the rain falls for 131.6 days and collects up to 29.06" (738mm) of precipitation.

Snowfall

Months with snowfall in Bartlesville are January through March, November and December. In Bartlesville, in December, snow falls for 1.5 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, in Bartlesville, Oklahoma, there are 7.2 snowfall days, and 3.11" (79mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:07 pm. On the last day of December, sunrise is at 7:36 am and sunset at 5:18 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.8h of sunshine.

UV index

The months with the lowest UV index in Bartlesville, Oklahoma, are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoiding the Sun during its peak radiation time around midday is a healthy practice. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What is the average December temperature in Bartlesville?

December temperatures vary between a high-temperature of 47.3°F (8.5°C) and a low-temperature of 32.2°F (0.1°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 86°F (30°C).

What is the average humidity in December in Bartlesville?

In December, the average relative humidity in Bartlesville, Oklahoma, is 69%.

How much does it rain in Bartlesville in December?

In Bartlesville, in December, it is raining for 6.1 days, with typically 1.1" (28mm) of accumulated precipitation.

How much does it snow in Bartlesville in December?

In Bartlesville, Oklahoma, during December, snow falls for 1.5 days and regularly aggregates up to 0.51" (13mm) of snow.

What is the month with the shortest days in Bartlesville?

December has the shortest days of the year in Bartlesville, with an average of 9h and 42min of daylight.

How many hours of daylight does Bartlesville have in December?

In December, the average day length is 9h and 42min.

When are sunrise and sunset in December in Bartlesville?

On the first day of December, sunrise is at 7:18 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:18 pm CST.

What are the months with the least sunshine in Bartlesville?

January and December, with an average of 5.8h of sunshine, are months with the least sunshine in Bartlesville.

How long on average sun shines in December in Bartlesville?

In Bartlesville, Oklahoma, the average sunshine duration in December is 5.8h.

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

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

What is the UV index reading in December in Bartlesville?

In December, the average daily maximum UV index in Bartlesville 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
Bartlesville, OK

Average temperature in December - Bartlesville, OK
  • Average high temperature in December: 47.3°F

The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).

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Average pressure in December
Bartlesville, OK

Average pressure in December - Bartlesville, OK
  • 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 (29.89"Hg).

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Average wind speed in December
Bartlesville, OK

Average wind speed in December - Bartlesville, OK
  • Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in December
Bartlesville, OK

Average humidity in December - Bartlesville, OK
  • Average humidity in December: 69%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, October and November (68%).

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Average rainfall in December
Bartlesville, OK

Average rainfall in December - Bartlesville, OK
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is November (1.02").

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Average rainfall days in December
Bartlesville, OK

Average rainfall days in December - Bartlesville, OK
  • Average rainfall days in December: 6.1 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.8 days).

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Average snowfall in December
Bartlesville, OK

Average snowfall in December - Bartlesville, OK
  • Average snowfall in December: 0.51"

The month with the highest snowfall is February (1.34").
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
Bartlesville, OK

Average snowfall days in December - Bartlesville, OK
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Bartlesville, OK

Average daylight in December / Average sunshine in December - Bartlesville, OK
  • Average daylight in December: 9h and 4min

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

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).

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Average sunshine days in December
Bartlesville, OK

Average sunshine days in December - Bartlesville, OK
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in December
Bartlesville, OK

Average UV index in December - Bartlesville, OK
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Bartlesville, OK

Average cloud cover in December - Bartlesville, OK
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in December
Bartlesville, OK

Average visibility in December - Bartlesville, OK
  • 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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Bartlesville, Oklahoma, USA

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