December weather forecastCoweta, OK
December
Weather in December
December, the first month of the winter in Coweta, is still a chilly month, with an average temperature ranging between min 34.7°F (1.5°C) and max 48.9°F (9.4°C).Temperature
A decrease in the average high-temperature is observed during December, shifting from a moderate 59.5°F (15.3°C) in November to a frosty 48.9°F (9.4°C). The low-temperature average for Coweta during December stands at an icy 34.7°F (1.5°C).Humidity
In December, the average relative humidity is 71%.Rainfall
February and December are months with the least rain in Coweta when the rain falls for 5.1 days and typically aggregates up to 0.67" (17mm) of rain.Snowfall
Months with snowfall are January through March, November and December. In Coweta, during December, snow falls for 1 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, there are 5.2 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:18 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 during December leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coweta, OK
- Average high temperature in December: 48.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in December: 34.7°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
Coweta, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Coweta, 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 (6.9mph).
Average humidity in December
Coweta, OK
- Average humidity in December: 71%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are August and October (68%).
Average rainfall in December
Coweta, OK
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (2.36").
The driest months (with the least rainfall) are February and December (0.67").
Average rainfall days in December
Coweta, OK
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is December (5.1 days).
Average snowfall in December
Coweta, OK
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Coweta, OK
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.1 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
Coweta, OK
- Average daylight in December: 9h and 48min
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 36min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Coweta, OK
- Average sunshine days in December: 22.6 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (15.9 days).
Average UV index in December
Coweta, 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
Coweta, OK
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Coweta, 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).





