Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December shows a mild decline in the average high-temperature, falling from November's mild 57.7°F (14.3°C) to a chilly 47.3°F (8.5°C). Bartlesville records a steady low-temperature average of 32.2°F (0.1°C) during December.Humidity
The average relative humidity in December is 69%.Rainfall
In Bartlesville, in December, it is raining for 6.1 days, with typically 1.1" (28mm) of accumulated precipitation. In Bartlesville, 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 December, it is snowing for 1.5 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Bartlesville, during the entire year, snow falls for 7.2 days and aggregates up to 3.11" (79mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.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.
Sunshine
The months with the least sunshine are January and December, with an average of 5.8h of sunshine.UV index
January 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 health risk from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 2 in December transforms into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Bartlesville have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Bartlesville have in December?
When is the lowest UV index?
How high is the UV index in December?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Bartlesville, Oklahoma, USA
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