December weather forecastKnowles, OK
December
Weather in December
The first month of the winter, December, is also a frosty month in Knowles, Oklahoma, with an average temperature varying between 47.3°F (8.5°C) and 29.8°F (-1.2°C).Temperature
In Knowles, the lowest temperatures are generally noted in December, averaging a high of 47.3°F (8.5°C) and a low of 29.8°F (-1.2°C).Humidity
December is the most humid month, with an average relative humidity of 58%.Rainfall
In Knowles, in December, it is raining for 3.3 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 103 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Knowles, in December, snow falls for 3.5 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 16 snowfall days, and 6.81" (173mm) of snow is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:35 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 5:34 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.6h of sunshine.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 minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. 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
Knowles, OK
- Average high temperature in December: 47.3°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (47.3°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Knowles, OK
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Knowles, OK
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is April (14.1mph).
The calmest month (with the lowest average wind speed) is January (11.1mph).
Average humidity in December
Knowles, OK
- Average humidity in December: 58%
The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is July (48%).
Average rainfall in December
Knowles, OK
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in December
Knowles, OK
- Average rainfall days in December: 3.3 days
The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and December (3.3 days).
Average snowfall in December
Knowles, OK
- Average snowfall in December: 0.75"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Knowles, OK
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5 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
Knowles, 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 36min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Knowles, OK
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (25 days).
The months with the least sunshine days are July and August (12.9 days).
Average UV index in December
Knowles, 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
Knowles, OK
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in December
Knowles, 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).
