December weather forecastBroadwell, IL
December
Weather in December
The first month of the winter, December, is also a wintry month in Broadwell, Illinois, with an average temperature ranging between min 27.3°F (-2.6°C) and max 38.3°F (3.5°C).Temperature
Onset of December comes with a temperature decline, the average high falling from a frosty 49.6°F (9.8°C) in November to a wintry 38.3°F (3.5°C). Broadwell, in December, witnesses an average low-temperature of 27.3°F (-2.6°C).Humidity
In Broadwell, Illinois, the average relative humidity in December is 79%.Rainfall
The month with the least rainfall in Broadwell is December, when the rain falls for 6.7 days and typically collects 1.02" (26mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, in Broadwell, it is snowing for 5.6 days. Throughout December, 0.94" (24mm) of snow is accumulated. In Broadwell, during the entire year, snow falls for 24.9 days and aggregates up to 7.64" (194mm) of snow.Daylight
The month with the shortest days in Broadwell, Illinois, is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:19 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, 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 average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Broadwell, IL
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Broadwell, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Broadwell, IL
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Broadwell, IL
- Average humidity in December: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Broadwell, IL
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in December
Broadwell, IL
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Broadwell, IL
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Broadwell, IL
- Average snowfall days in December: 5.6 days
The month with the highest number of snowfall days is January (8.2 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
Broadwell, IL
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Broadwell, IL
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Broadwell, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Broadwell, IL
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in December
Broadwell, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
