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 December's onset, the average high-temperature recedes from November's frosty 44.6°F (7°C) to a cold 32.7°F (0.4°C). Throughout the month of December, Wonder Lake sees a steady low-temperature average of 22.8°F (-5.1°C).Humidity
In Wonder Lake, the average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 7.9 days and typically collects 1.34" (34mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Wonder Lake. In Wonder Lake, during December, snow falls for 10.3 days and regularly aggregates up to 2.6" (66mm) of snow. In Wonder Lake, Illinois, during the entire year, snow falls for 49 days and aggregates up to 16.5" (419mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of December in Wonder Lake, Illinois, sunrise is at 7:03 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December in Wonder Lake is 4h.UV index
The months with the lowest UV index in Wonder Lake are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun is at its strongest around midday, find shade and limit exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Wonder Lake in December?
What is the average humidity in December in Wonder Lake?
What is the driest month in Wonder Lake?
How much does it rain in Wonder Lake in December?
How much does it snow in Wonder Lake in December?
What is the month with the shortest days in Wonder Lake?
How many hours of daylight does Wonder Lake have in December?
What time are sunrise and sunset in December in Wonder Lake?
How many hours of sunshine does Wonder Lake have in December?
What are the months with the lowest UV index in Wonder Lake?
What is the UV index intensity in December in Wonder Lake?
Average temperature in December
Wonder Lake, IL
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in December: 22.8°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in December
Wonder Lake, 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
Wonder Lake, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Wonder Lake, IL
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in December
Wonder Lake, IL
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days in December
Wonder Lake, IL
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Wonder Lake, IL
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wonder Lake, IL
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wonder Lake, 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 6min).
- Average sunshine in December: 4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Wonder Lake, IL
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in December
Wonder Lake, IL
- Average UV index in December: 1
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Wonder Lake, IL
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Wonder Lake, IL
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Wonder Lake, Illinois, USA
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