December weather forecastSavanna, OK
December
Weather in December
December, the first month of the winter in Savanna, is also a fresh month, with an average temperature varying between 36°F (2.2°C) and 50.4°F (10.2°C).Temperature
December's onset brings a slight change in high-temperatures, falling from a refreshing 60.6°F (15.9°C) in November to a cool 50.4°F (10.2°C). An average low-temperature of 36°F (2.2°C) is observed during the December nights.Humidity
The average relative humidity in December is 72%.Rainfall
In Savanna, Oklahoma, in December, it is raining for 9.2 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 138.1 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Savanna. In Savanna, in December, snow falls for 0.6 days, with typically accumulated 0.59" (15mm) of snow. In Savanna, during the entire year, snow falls for 5.4 days and aggregates up to 2.8" (71mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:22 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Savanna, OK
- Average high temperature in December: 50.4°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (48.9°F).
- Average low temperature in December: 36°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 (33.3°F).
Average pressure in December
Savanna, 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
Savanna, OK
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Savanna, OK
- Average humidity in December: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Savanna, OK
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Savanna, OK
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
Savanna, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Savanna, OK
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (2.3 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
Savanna, OK
- Average daylight in December: 9h and 54min
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 54min).
- Average sunshine in December: 5h and 30min
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 30min).
Average sunshine days in December
Savanna, OK
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is April (14.5 days).
Average UV index in December
Savanna, 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
Savanna, OK
- Average cloud cover in December: 37
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Savanna, 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).





