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
During the transition into December, Carrollton observes a decrease in the average high-temperature, falling from a cool 51.6°F (10.9°C) in November to a wintry 40.5°F (4.7°C). Carrollton's average low-temperature in December is measured at a subzero cold 28.6°F (-1.9°C).Humidity
In Carrollton, the average relative humidity in December is 77%.Rainfall
In Carrollton, Illinois, during December, the rain falls for 6.4 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 120.6 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 3.7 days. Throughout December, 0.83" (21mm) of snow is accumulated. Throughout the year, there are 19.1 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:48 pm CST.
Sunshine
In Carrollton, Illinois, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Carrollton are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Carrollton in December?
What is the average humidity in December in Carrollton?
How much does it rain in Carrollton in December?
How much does it snow in Carrollton in December?
What is the month with the shortest days in Carrollton?
What is the average length of the day in December in Carrollton?
When is the sunrise / sunset in December in Carrollton?
How many hours of sunshine does Carrollton have in December?
What are the months with the lowest UV index in Carrollton?
What is the UV index intensity in December in Carrollton?
Average temperature in December
Carrollton, IL
- Average high temperature in December: 40.5°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Carrollton, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Carrollton, IL
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in December
Carrollton, IL
- Average humidity in December: 77%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Carrollton, IL
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is November (0.67").
Average rainfall days in December
Carrollton, IL
- Average rainfall days in December: 6.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in December
Carrollton, IL
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Carrollton, IL
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is January (6 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
Carrollton, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Carrollton, IL
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Carrollton, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Carrollton, IL
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are August and September (Cloud cover 28).
Average visibility in December
Carrollton, IL
- 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).
Carrollton, Illinois, USA
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