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
The arrival of December corresponds with a shift in temperature, down from a frosty 45.1°F (7.3°C) in November to a wintry 33.3°F (0.7°C). During December, an average low-temperature of 23.2°F (-4.9°C) is observed.Humidity
In Huntley, the average relative humidity in December is 82%.Rainfall
December is the month with the least rainfall. Rain falls for 6.5 days and accumulates 0.67" (17mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 9.1 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 43.2 snowfall days, and 7.4" (188mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:31 pm CST.
Sunshine
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 in Huntley. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Huntley have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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 12min).
- Average sunshine in December: 3h and 5min
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
Huntley, 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
Huntley, 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
Huntley, 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
Huntley, 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).
Huntley, Illinois, USA
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