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 Sallisaw's weather is observed as November turns into December, with the average high temperature reducing from a moderate 59.9°F (15.5°C) to a frosty 49.5°F (9.7°C). Throughout December, Sallisaw registers a consistent average low-temperature of 35.2°F (1.8°C).Humidity
In Sallisaw, the average relative humidity in December is 74%.Rainfall
In Sallisaw, in December, it is raining for 8.8 days, with typically 2.64" (67mm) of accumulated precipitation. In Sallisaw, during the entire year, the rain falls for 145.3 days and collects up to 35.79" (909mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Sallisaw. In Sallisaw, during December, snow falls for 0.9 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 5.7 snowfall days, and 2.8" (71mm) of snow is accumulated.Daylight
December has the shortest days of the year in Sallisaw, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 5:06 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:16 pm CST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year in Sallisaw, Oklahoma.UV index
February and December, with an average maximum UV index of 2, are months with the lowest UV index in Sallisaw. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Sallisaw in December?
What is the average humidity in December in Sallisaw?
How much does it rain in Sallisaw in December?
How much does it snow in Sallisaw in December?
What is the month with the shortest days in Sallisaw?
What is the average length of the day in December in Sallisaw?
When are sunrise and sunset in December in Sallisaw?
What is the month with the least sunshine in Sallisaw?
How many hours of sunshine does Sallisaw have in December?
What are the months with the lowest UV index in Sallisaw?
What is the UV index intensity in December in Sallisaw?
Average temperature in December
Sallisaw, OK
- Average high temperature in December: 49.5°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°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Sallisaw, OK
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Sallisaw, OK
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Sallisaw, OK
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Sallisaw, OK
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is May (4.61").
The driest month (with the least rainfall) is February (2.2").
Average rainfall days in December
Sallisaw, OK
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in December
Sallisaw, OK
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sallisaw, OK
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2 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
Sallisaw, OK
- Average daylight in December: 9h and 5min
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: 5h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sallisaw, OK
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Sallisaw, 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 February and December (UV index 2).
Average cloud cover in December
Sallisaw, OK
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Sallisaw, 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).
Sallisaw, Oklahoma, USA
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