January weather forecastWonder Lake, IL
January
Weather in January
January, like December, is another subzero cold winter month in Wonder Lake, Illinois, with an average temperature fluctuating between 26.6°F (-3°C) and 14.9°F (-9.5°C).Temperature
January, marked by an average high-temperature of 26.6°F (-3°C) and a low-temperature of 14.9°F (-9.5°C), is the coldest month.Humidity
January and February, with an average relative humidity of 85%, are the most humid months.Rainfall
In January, in Wonder Lake, the rain falls for 5.6 days. Throughout January, 1.54" (39mm) of precipitation is accumulated. Throughout the year, there are 152.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 13.3 days and accumulates 5.16" (131mm) of snow.Daylight
The average length of the day in January is 9h and 30min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:05 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Wonder Lake, IL
- Average high temperature in January: 26.6°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 January: 14.9°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 January
Wonder Lake, IL
- Average pressure in January: 30.11"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 January
Wonder Lake, IL
- Average wind speed in January: 10mph
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 January
Wonder Lake, IL
- Average humidity in January: 85%
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 January
Wonder Lake, IL
- Average rainfall in January: 1.54"
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 January
Wonder Lake, IL
- Average rainfall days in January: 5.6 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 January
Wonder Lake, IL
- Average snowfall in January: 5.16"
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 January
Wonder Lake, IL
- Average snowfall days in January: 13.3 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 January /
Average sunshine in January
Wonder Lake, IL
- Average daylight in January: 9h and 30min
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 January: 3h and 42min
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 January
Wonder Lake, IL
- Average sunshine days in January: 13.7 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 January
Wonder Lake, IL
- Average UV index in January: 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 January
Wonder Lake, IL
- Average cloud cover in January: 62
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 January
Wonder Lake, IL
- Average visibility in January: 5mi
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).





