December weather forecastChattanooga, OK
December
Weather in December
The first month of the winter, December, is also a fresh month in Chattanooga, Oklahoma, with an average temperature ranging between min 34.7°F (1.5°C) and max 51.3°F (10.7°C).Temperature
Temperature records mark December as the coldest month, with highs averaging 51.3°F (10.7°C) and lows at 34.7°F (1.5°C).Humidity
The average relative humidity in December is 64%.Rainfall
In December, the rain falls for 5.2 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Chattanooga, during the entire year, the rain falls for 109.7 days and collects up to 22.4" (569mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Chattanooga, in December, during 1.1 snowfall days, 0.67" (17mm) of snow is typically accumulated. Throughout the year, there are 5.3 snowfall days, and 2.64" (67mm) of snow is accumulated.Daylight
December has the shortest days of the year in Chattanooga, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:24 pm. On the last day of December, in Chattanooga, sunrise is at 7:40 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.3h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chattanooga, OK
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (51.3°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Chattanooga, OK
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Chattanooga, OK
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (12mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in December
Chattanooga, OK
- Average humidity in December: 64%
The month with the highest relative humidity is May (67%).
The month with the lowest relative humidity is August (52%).
Average rainfall in December
Chattanooga, OK
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Chattanooga, OK
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Chattanooga, OK
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chattanooga, OK
- Average snowfall days in December: 1.1 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
Chattanooga, 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: 6h and 18min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Chattanooga, OK
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Chattanooga, 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
Chattanooga, OK
- Average cloud cover in December: 28
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Chattanooga, 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).
