December weather forecastCollinsville, OK
December
Weather in December
The first month of the winter, December, is still a chilly month in Collinsville, Oklahoma, with an average temperature varying between 33.6°F (0.9°C) and 47.7°F (8.7°C).Temperature
The decrease of average high-temperatures is mild in December, with a decline from a moderate 58.1°F (14.5°C) in November to a frosty 47.7°F (8.7°C). Throughout December nights, Collinsville registers an average low-temperature of 33.6°F (0.9°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Collinsville, in December, it is raining for 6.9 days, with typically 1.3" (33mm) of accumulated precipitation. In Collinsville, during the entire year, the rain falls for 132.6 days and collects up to 29.69" (754mm) of precipitation.Snowfall
Months with snowfall in Collinsville are January through March, November and December. In Collinsville, in December, snow falls for 0.9 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 6.4 snowfall days, and 3.15" (80mm) 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 the month, sunrise is at 7:16 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:18 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Collinsville, OK
- Average high temperature in December: 47.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Collinsville, OK
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Collinsville, OK
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in December
Collinsville, OK
- Average humidity in December: 70%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (68%).
Average rainfall in December
Collinsville, OK
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Collinsville, OK
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Collinsville, OK
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Collinsville, OK
- Average snowfall days in December: 0.9 days
The months with the highest number of snowfall days are January and February (2.2 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
Collinsville, 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: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Collinsville, OK
- Average sunshine days in December: 21.9 days
The months with the most sunshine days are January and December (21.9 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Collinsville, OK
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Collinsville, OK
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Collinsville, 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).
