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
The arrival of December corresponds with a temperature reduction, down from November's moderate 59.2°F (15.1°C) to a frosty 48.6°F (9.2°C). December nights observe an average temperature dip to a wintry 34.3°F (1.3°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Broken Arrow, in December, it is raining for 7.1 days, with typically 1.46" (37mm) of accumulated precipitation. In Broken Arrow, during the entire year, the rain falls for 131.3 days and collects up to 29.84" (758mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.9 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, there are 6.2 snowfall days, and 3.35" (85mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h 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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Broken Arrow?
How many hours of daylight does Broken Arrow have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Broken Arrow have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Broken Arrow, OK
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Broken Arrow, 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 (29.9"Hg).
Average wind speed in December
Broken Arrow, OK
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Broken Arrow, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (68%).
Average rainfall in December
Broken Arrow, OK
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (5.16").
The driest months (with the least rainfall) are January and February (1.38").
Average rainfall days in December
Broken Arrow, OK
- Average rainfall days in December: 7.1 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in December
Broken Arrow, OK
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Broken Arrow, OK
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Broken Arrow, OK
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Broken Arrow, OK
- Average sunshine days in December: 22 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in December
Broken Arrow, 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
Broken Arrow, OK
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Broken Arrow, 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).
Broken Arrow, Oklahoma, USA
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