Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A shift in Sumpter's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 57.7°F (14.3°C) to a chilly 46.6°F (8.1°C). Throughout December, the nighttime temperature in Sumpter averages to a subzero cold 30.7°F (-0.7°C).Humidity
In December, the average relative humidity is 68%.Rainfall
The month with the least rainfall in Sumpter is December, when the rain falls for 4.7 days and typically collects 0.59" (15mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In Sumpter, in December, during 1.4 snowfall days, 0.31" (8mm) of snow is typically accumulated. Throughout the year, in Sumpter, there are 7.6 snowfall days, and 2.6" (66mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Sumpter, sunrise is at 7:24 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:23 pm CST.
Sunshine
The months with the least sunshine are January and December, with an average of 6.2h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sumpter. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the temperature in December in Sumpter?
What is the average humidity in December in Sumpter?
What is the driest month in Sumpter?
How many days does it rain in December in Sumpter?
How much does it snow in Sumpter in December?
What is the month with the shortest days in Sumpter?
How many hours of daylight does Sumpter have in December?
When is the sunrise / sunset in December in Sumpter?
What are the months with the least sunshine in Sumpter?
How long on average sun shines in December in Sumpter?
When is the lowest UV index in Sumpter?
What is the UV index reading in December in Sumpter?
Average temperature in December
Sumpter, OK
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Sumpter, 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
Sumpter, OK
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Sumpter, OK
- Average humidity in December: 68%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall in December
Sumpter, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in December
Sumpter, OK
- Average rainfall days in December: 4.7 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in December
Sumpter, OK
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Sumpter, OK
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is February (2.4 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
Sumpter, OK
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Sumpter, OK
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in December
Sumpter, OK
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Sumpter, OK
- Average cloud cover in December: 30
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Sumpter, 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).
Sumpter, Oklahoma, USA
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