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 ushers in a slight temperature change, with average high-temperatures reducing from November's fresh 51.3°F (10.7°C) to a wintry 40.1°F (4.5°C). In the month of December, the temperature generally rests at an average low of 28.8°F (-1.8°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Wenonah, in December, during 7.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Wenonah, there are 145.5 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Wenonah, during December, snow falls for 5.3 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, in Wenonah, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.Daylight
December has the shortest days of the year in Wenonah, with an average of 9h and 30min of daylight.On the first day of December in Wenonah, Illinois, sunrise is at 6:58 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:44 pm CST.
Sunshine
In Wenonah, Illinois, the average sunshine in December is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Wenonah in December?
What is the average humidity in December in Wenonah?
How many days does it rain in December in Wenonah?
How many days does it snow in December in Wenonah?
What is the month with the shortest days in Wenonah?
How many hours of daylight does Wenonah have in December?
When is the sunrise / sunset in December in Wenonah?
How many hours of sunshine does Wenonah have in December?
When is the lowest UV index in Wenonah?
What is the UV index intensity in December in Wenonah?
Average temperature in December
Wenonah, IL
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Wenonah, 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 (29.92"Hg).
Average wind speed in December
Wenonah, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Wenonah, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wenonah, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in December
Wenonah, IL
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Wenonah, IL
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Wenonah, IL
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (7.4 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
Wenonah, 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 month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Wenonah, IL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Wenonah, 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
Wenonah, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).
Average visibility in December
Wenonah, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Wenonah, Illinois, USA
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