December weather forecastKellyville, OK
December
Weather in December
December, the first month of the winter in Kellyville, is still a chilly month, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 48.7°F (9.3°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from a moderate 59.2°F (15.1°C) in November to a frosty 48.7°F (9.3°C). Kellyville, in December, observes a steady average low-temperature of 34.5°F (1.4°C).Humidity
In December, the average relative humidity is 69%.Rainfall
In Kellyville, in December, it is raining for 6.4 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, there are 129.3 rainfall days, and 29.13" (740mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Kellyville, in December, during 1.1 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Kellyville, Oklahoma, during the entire year, snow falls for 5.8 days and aggregates up to 3.46" (88mm) of snow.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 7:17 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:21 pm CST.
Sunshine
With an average of 5.7h 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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kellyville, OK
- Average high temperature in December: 48.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 34.5°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
Kellyville, 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
Kellyville, OK
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Kellyville, 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 and August (66%).
Average rainfall in December
Kellyville, OK
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (4.92").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Kellyville, OK
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Kellyville, OK
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Kellyville, OK
- Average snowfall days in December: 1.1 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
Kellyville, 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 42min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Kellyville, OK
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Kellyville, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Kellyville, OK
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Kellyville, 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).
