December weather forecastFort Supply, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Fort Supply, Oklahoma, with an average temperature ranging between min 31.6°F (-0.2°C) and max 46.9°F (8.3°C).Temperature
Fort Supply's coldest month, December, generally records average temperatures ranging from a high of 46.9°F (8.3°C) to a low of 31.6°F (-0.2°C).Humidity
The average relative humidity in December is 59%.Rainfall
In Fort Supply, in December, it is raining for 3.7 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 96.5 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Fort Supply, in December, snow falls for 2.5 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 11.3 snowfall days, and 5.24" (133mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:32 am and sunset at 5:22 pm. On the last day of December, in Fort Supply, sunrise is at 7:50 am and sunset at 5:33 pm CST.
Sunshine
With an average of 6.5h of sunshine, December has the least sunshine of the year.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 average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fort Supply, OK
- Average high temperature in December: 46.9°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (46.9°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Fort Supply, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Fort Supply, OK
- Average wind speed in December: 11.3mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).
Average humidity in December
Fort Supply, OK
- Average humidity in December: 59%
The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is July (52%).
Average rainfall in December
Fort Supply, OK
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is October (2.2").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in December
Fort Supply, OK
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is August (12.8 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in December
Fort Supply, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Fort Supply, OK
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is February (3.2 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
Fort Supply, OK
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 6h and 30min
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 30min).
Average sunshine days in December
Fort Supply, OK
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is August (15.1 days).
Average UV index in December
Fort Supply, 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
Fort Supply, OK
- Average cloud cover in December: 26
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Fort Supply, 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).
