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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 47.3°F (8.5°C) in November to an icy 35.6°F (2°C). In Wilsman, the expected average low-temperature for December is a subzero cold 25.5°F (-3.6°C).Humidity
In Wilsman, the average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 6.9 days and typically collects 1.18" (30mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, in Wilsman, it is snowing for 7.8 days. Throughout December, 1.46" (37mm) of snow is accumulated. Throughout the year, in Wilsman, there are 37.9 snowfall days, and 12.91" (328mm) of snow is accumulated.Daylight
The month with the shortest days in Wilsman 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 4:27 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:37 pm CST.
Sunshine
In Wilsman, the average sunshine in December is 4.3h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Wilsman. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is December in Wilsman?
What is the average humidity in December in Wilsman?
What is the driest month in Wilsman?
How much does it rain in Wilsman in December?
How much does it snow in Wilsman in December?
What is the month with the shortest days in Wilsman?
How many hours of daylight does Wilsman have in December?
When are sunrise and sunset in December in Wilsman?
How many hours of sunshine does Wilsman have in December?
What is the month with the lowest UV index in Wilsman?
What is the UV index reading in December in Wilsman?
Average temperature in December
Wilsman, IL
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Wilsman, 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 (29.92"Hg).
Average wind speed in December
Wilsman, IL
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Wilsman, IL
- Average humidity in December: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Wilsman, IL
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in December
Wilsman, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Wilsman, IL
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wilsman, IL
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (11.8 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
Wilsman, IL
- Average daylight in December: 9h and 2min
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 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Wilsman, IL
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Wilsman, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Wilsman, IL
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in December
Wilsman, 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).
Wilsman, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
