December weather forecastBig Rocks, OK
December
Weather in December
December, the first month of the winter in Big Rocks, is also a fresh month, with an average temperature fluctuating between 37.6°F (3.1°C) and 52.2°F (11.2°C).Temperature
As December commences, the average high-temperature shows a reduction, transitioning from a refreshing 61.7°F (16.5°C) in November to a fresh 52.2°F (11.2°C). The nighttime temperature, during December, averages of 37.6°F (3.1°C).Humidity
The average relative humidity in December is 74%.Rainfall
In Big Rocks, in December, it is raining for 10.4 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 149.7 rainfall days, and 37.6" (955mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, in Big Rocks, it is snowing for 0.7 days. Throughout December, 0.28" (7mm) of snow is accumulated. In Big Rocks, during the entire year, snow falls for 4.2 days and aggregates up to 2.09" (53mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:10 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:23 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Big Rocks, OK
- Average high temperature in December: 52.2°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 37.6°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 (34.7°F).
Average pressure in December
Big Rocks, 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 (29.91"Hg).
Average wind speed in December
Big Rocks, OK
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Big Rocks, OK
- Average humidity in December: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Big Rocks, OK
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (5.12").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Big Rocks, OK
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Big Rocks, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Big Rocks, OK
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Big Rocks, 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: 5h and 24min
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 24min).
Average sunshine days in December
Big Rocks, OK
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in December
Big Rocks, 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
Big Rocks, OK
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Big Rocks, 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).
