December weather forecastWenona, IL
December
Weather in December
The first month of the winter, December, is also an icy month in Wenona, Illinois, with an average temperature ranging between min 25.9°F (-3.4°C) and max 35.8°F (2.1°C).Temperature
December is characterized by a reduction in the average high-temperature, from a frosty 47.7°F (8.7°C) in November to an icy 35.8°F (2.1°C). During the month of December, Wenona experiences a steady low-temperature average of 25.9°F (-3.4°C).Humidity
In Wenona, the average relative humidity in December is 81%.Rainfall
In December, in Wenona, the rain falls for 5.5 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Wenona, Illinois, during the entire year, the rain falls for 122.1 days and collects up to 15.28" (388mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, in Wenona, it is snowing for 6 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 30.6 snowfall days, and 7.05" (179mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of December, in Wenona, sunrise is at 7:21 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December is 4.3h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Wenona. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 transforms into these recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wenona, IL
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Wenona, IL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Wenona, IL
- Average wind speed in December: 10mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Wenona, IL
- Average humidity in December: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Wenona, IL
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in December
Wenona, IL
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in December
Wenona, IL
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wenona, IL
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (10.3 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
Wenona, IL
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Wenona, IL
- Average sunshine days in December: 20.3 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Wenona, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wenona, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Wenona, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





