December weather forecastDuke, OK
December
Weather in December
The first month of the winter, December, is also a fresh month in Duke, Oklahoma, with an average temperature ranging between min 33.8°F (1°C) and max 51.1°F (10.6°C).Temperature
The coldest period is December, when temperatures fluctuate between an average high of 51.1°F (10.6°C) and a low of 33.8°F (1°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 60%.Rainfall
January, February, November and December are months with the least rain in Duke when the rain falls for 4.5 days and typically aggregates up to 0.75" (19mm) of rain.Snowfall
January through April, November and December are months with snowfall. In Duke, during December, snow falls for 1.5 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, there are 7.4 snowfall days, and 4.29" (109mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:27 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:38 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
With an average maximum UV index of 2, December is the month 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: In December, a daily UV index of 2 turns into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Duke, OK
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (51.1°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Duke, OK
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Duke, OK
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in December
Duke, OK
- Average humidity in December: 60%
The months with the highest relative humidity are May and December (60%).
The month with the lowest relative humidity is August (49%).
Average rainfall in December
Duke, OK
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is April (2.95").
The driest months (with the least rainfall) are January, February, November and December (0.75").
Average rainfall days in December
Duke, OK
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (11.6 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Duke, OK
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Duke, OK
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Duke, OK
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Duke, OK
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is January (26.2 days).
The month with the least sunshine days is September (16.2 days).
Average UV index in December
Duke, OK
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Duke, OK
- Average cloud cover in December: 25
The months with the most cloud cover are March and April (Cloud cover 29).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in December
Duke, 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).





