December weather forecastSparks, OK
December
Weather in December
December, the first month of the winter in Sparks, is still a chilly month, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.7°F (1.5°C).Temperature
December is characterized by a reduction in the average high-temperature, from a moderate 59.9°F (15.5°C) in November to a chilly 49.1°F (9.5°C). The nighttime temperature dips to an icy 34.7°F (1.5°C) on average during December.Humidity
The average relative humidity in December in Sparks is 67%.Rainfall
The months with the least rainfall are February, November and December Rain falls for 3.4 days and accumulates 0.28" (7mm) of rain.Snowfall
January through March, November and December are months with snowfall. In Sparks, during December, snow falls for 0.5 days and regularly aggregates up to 0.16" (4mm) of snow. In Sparks, during the entire year, snow falls for 4.7 days and aggregates up to 0.79" (20mm) of snow.Daylight
With an average of 9h and 48min 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 5:14 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:24 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.9h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sparks, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Sparks, 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 (29.88"Hg).
Average wind speed in December
Sparks, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (7.9mph).
Average humidity in December
Sparks, OK
- Average humidity in December: 67%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Sparks, OK
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (1.61").
The driest months (with the least rainfall) are February, November and December (0.28").
Average rainfall days in December
Sparks, OK
- Average rainfall days in December: 3.4 days
The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is December (3.4 days).
Average snowfall in December
Sparks, OK
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sparks, OK
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sparks, OK
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Sparks, OK
- Average sunshine days in December: 26.1 days
The month with the most sunshine days is December (26.1 days).
The month with the least sunshine days is May (17.3 days).
Average UV index in December
Sparks, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Sparks, OK
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Sparks, 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).





