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
As December begins, there is a decrease in the average high-temperature, falling from a moderate 58.1°F (14.5°C) in November to a chilly 47.7°F (8.7°C). Throughout the month of December, Collinsville sees a steady low-temperature average of 33.6°F (0.9°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In December, the rain falls for 6.9 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 132.6 rainfall days, and 29.69" (754mm) of precipitation is accumulated.Snowfall
Months with snowfall 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, in Collinsville, there are 6.4 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
The month with the shortest days in Collinsville, Oklahoma, is December, with an average of 9h and 42min of daylight.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
The month with the least sunshine in Collinsville is December, with an average of 5.6h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What is the average December temperature in Collinsville?
What is the average humidity in December in Collinsville?
How much does it rain in Collinsville in December?
How much does it snow in Collinsville in December?
What is the month with the shortest days in Collinsville?
What is the average length of the day in December in Collinsville?
When are sunrise and sunset in December in Collinsville?
What is the month with the least sunshine in Collinsville?
How many hours of sunshine does Collinsville have in December?
What is the month with the lowest UV index in Collinsville?
How high is the UV index in December in Collinsville?
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 4min
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 4min
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).
Collinsville, Oklahoma, USA
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