January weather forecastBradley, IL
January
Weather in January
January, like December, is another subzero cold winter month in Bradley, Illinois, with an average temperature varying between 30°F (-1.1°C) and 18.3°F (-7.6°C).Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 30°F (-1.1°C) and a low of 18.3°F (-7.6°C).Humidity
In Bradley, the average relative humidity in January is 82%.Rainfall
In Bradley, in January, it is raining for 2.3 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, in Bradley, there are 80.5 rainfall days, and 6.22" (158mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 5.8 days and typically aggregates up to 0.75" (19mm) of snow.Daylight
In Bradley, the average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:16 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:06 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Bradley. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in January, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. Observe! Snow reflection can nearly intensify 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
Bradley, IL
- Average high temperature in January: 30°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Bradley, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Bradley, IL
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Bradley, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Bradley, IL
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in January
Bradley, IL
- Average rainfall days in January: 2.3 days
The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (2.3 days).
Average snowfall in January
Bradley, IL
- Average snowfall in January: 0.75"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Bradley, IL
- Average snowfall days in January: 5.8 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bradley, IL
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Bradley, IL
- Average sunshine days in January: 24.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is June (15.7 days).
Average UV index in January
Bradley, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Bradley, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in January
Bradley, IL
- Average visibility in January: 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).





