December weather forecastPiedmont, OK
December
Weather in December
The first month of the winter, December, is still a chilly month in Piedmont, Oklahoma, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 32.7°F (0.4°C).Temperature
With the onset of December, Piedmont's average high-temperature adjusts, receding from November's moderate 59.2°F (15.1°C) to a chilly 49.1°F (9.5°C). Throughout December, the average low-temperature in Piedmont, Oklahoma, records at a wintry 32.7°F (0.4°C).Humidity
In Piedmont, the average relative humidity in December is 66%.Rainfall
The month with the least rainfall is December, when the rain falls for 5.9 days and typically collects 0.79" (20mm) of precipitation.Snowfall
Months with snowfall in Piedmont are January through April, November and December. In Piedmont, in December, during 2.1 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Piedmont, during the entire year, snow falls for 8.9 days and aggregates up to 3.62" (92mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:22 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:28 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Piedmont, OK
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in December
Piedmont, 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 (29.87"Hg).
Average wind speed in December
Piedmont, OK
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in December
Piedmont, OK
- Average humidity in December: 66%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Piedmont, OK
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in December
Piedmont, OK
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Piedmont, OK
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Piedmont, OK
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (3.3 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
Piedmont, 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: 6h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Piedmont, OK
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (14 days).
Average UV index in December
Piedmont, 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
Piedmont, OK
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Piedmont, 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).





