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
December is characterized by a reduction in the average high-temperature, from a chilly 45.5°F (7.5°C) in November to a cold 34.5°F (1.4°C). In December, the average low-temperature in Wheeling records at a freezing cold 24.8°F (-4°C) during the nights.Humidity
In Wheeling, the average relative humidity in December is 80%.Rainfall
December is the month with the least rainfall in Wheeling. Rain falls for 8.4 days and accumulates 1.34" (34mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Wheeling, Illinois. In Wheeling, in December, snow falls for 9.3 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, there are 45.4 snowfall days, and 16.85" (428mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:30 pm CST.
Sunshine
In Wheeling, the average sunshine in December is 4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Wheeling?
What is the average humidity in December in Wheeling?
What is the driest month in Wheeling?
How many days does it rain in December in Wheeling?
How much does it snow in Wheeling in December?
What is the month with the shortest days in Wheeling?
How many hours of daylight does Wheeling have in December?
When is the sunrise / sunset in December in Wheeling?
How many hours of sunshine does Wheeling have in December?
What is the month with the lowest UV index in Wheeling?
What is the UV index intensity in December in Wheeling?
Average temperature in December
Wheeling, IL
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Wheeling, IL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Wheeling, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Wheeling, IL
- Average humidity in December: 80%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Wheeling, IL
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in December
Wheeling, IL
- Average rainfall days in December: 8.4 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Wheeling, IL
- Average snowfall in December: 2.48"
The month with the highest snowfall is January (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wheeling, IL
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wheeling, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Wheeling, IL
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in December
Wheeling, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wheeling, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Wheeling, 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).
Wheeling, Illinois, USA
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