January weather forecastLake in the Hills, IL
January
Weather in January
January, like December, is another subzero cold winter month in Lake in the Hills, Illinois, with temperature in the range of an average high of 27°F (-2.8°C) and an average low of 15.3°F (-9.3°C).Temperature
Lake in the Hills reaches its lowest average temperatures in January, measuring 27°F (-2.8°C) at the peak and 15.3°F (-9.3°C) at the lowest.Humidity
January is the most humid month, with an average relative humidity of 85%.Rainfall
In Lake in the Hills, Illinois, during January, the rain falls for 4.9 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 132.8 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
Months with snowfall in Lake in the Hills, Illinois, are January through May, October through December. January is the month with the most snowfall. Snow falls for 12.2 days and accumulates 2.01" (51mm) of snow.Daylight
In Lake in the Hills, the average length of the day in January is 9h and 31min.On the first day of January, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:05 pm CST.
Sunshine
January has the least sunshine of the year, 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 1 in January transforms into this advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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. Warning! The reflection from snow can nearly 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
Lake in the Hills, IL
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 15.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in January
Lake in the Hills, 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
Lake in the Hills, IL
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in January
Lake in the Hills, IL
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in January
Lake in the Hills, IL
- Average rainfall in January: 0.79"
The wettest months (with the highest rainfall) are April and August (1.89").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in January
Lake in the Hills, IL
- Average rainfall days in January: 4.9 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in January
Lake in the Hills, IL
- Average snowfall in January: 2.01"
The month with the highest snowfall is January (2.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Lake in the Hills, IL
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lake in the Hills, 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 12min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Lake in the Hills, IL
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is December (18.5 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Lake in the Hills, IL
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Lake in the Hills, 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 July, August and September (Cloud cover 32).
Average visibility in January
Lake in the Hills, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





