December weather forecastLake in the Hills, IL
December
Weather in December
The first month of the winter, December, is also an icy month in Lake in the Hills, Illinois, with an average temperature ranging between min 23.2°F (-4.9°C) and max 33.3°F (0.7°C).Temperature
In the transition to December, Lake in the Hills observes a drop in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in November to a cold 33.3°F (0.7°C). December in Lake in the Hills, Illinois, sees the temperature falling to a mean low of 23.2°F (-4.9°C).Humidity
In December, the average relative humidity in Lake in the Hills is 82%.Rainfall
The month with the least rainfall in Lake in the Hills, Illinois, is December, when the rain falls for 6.5 days and typically collects 0.67" (17mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Lake in the Hills, in December, snow falls for 9.1 days, with typically accumulated 1.06" (27mm) of snow. In Lake in the Hills, during the entire year, snow falls for 43.2 days and aggregates up to 7.4" (188mm) of snow.Daylight
December has the shortest days of the year in Lake in the Hills, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:22 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:31 pm CST.
Sunshine
In Lake in the Hills, Illinois, the average sunshine in December is 3.9h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lake in the Hills, IL
- Average high temperature in December: 33.3°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 December: 23.2°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 December
Lake in the Hills, 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
Lake in the Hills, IL
- Average wind speed in December: 9.2mph
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 December
Lake in the Hills, IL
- Average humidity in December: 82%
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 December
Lake in the Hills, IL
- Average rainfall in December: 0.67"
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 December
Lake in the Hills, IL
- Average rainfall days in December: 6.5 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 December
Lake in the Hills, IL
- Average snowfall in December: 1.06"
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 December
Lake in the Hills, IL
- Average snowfall days in December: 9.1 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 December /
Average sunshine in December
Lake in the Hills, IL
- Average daylight in December: 9h and 12min
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 December: 3h and 54min
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 December
Lake in the Hills, IL
- Average sunshine days in December: 18.5 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 December
Lake in the Hills, IL
- Average UV index in December: 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 December
Lake in the Hills, IL
- Average cloud cover in December: 59
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 December
Lake in the Hills, IL
- Average visibility in December: 6mi
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).
