December weather forecastBroadview, IL
December
Weather in December
December, the first month of the winter in Broadview, is also an icy month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 35.1°F (1.7°C).Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a wintry 35.1°F (1.7°C) from a frosty 46°F (7.8°C). Broadview's December nights experience a subtle temperature dip to an average of 26.4°F (-3.1°C).Humidity
In Broadview, the average relative humidity in December is 80%.Rainfall
The months with the least rainfall in Broadview are February, March, November and December Rain falls for 4.3 days and accumulates 0.39" (10mm) of rain.Snowfall
Months with snowfall in Broadview are January through April, October through December. In Broadview, Illinois, during December, snow falls for 4.5 days and regularly aggregates up to 0.28" (7mm) of snow. Throughout the year, in Broadview, Illinois, there are 26.5 snowfall days, and 4.06" (103mm) 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 the month, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of December, in Broadview, sunrise is at 7:18 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The months with the lowest UV index in Broadview are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Broadview, IL
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Broadview, 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
Broadview, IL
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
Broadview, IL
- Average humidity in December: 80%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Broadview, IL
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in December
Broadview, IL
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
Broadview, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Broadview, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Broadview, 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: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Broadview, IL
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in December
Broadview, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Broadview, IL
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Broadview, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





