Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January is the coldest month, with the temperature often reaching an average high of 28.8°F (-1.8°C) and an average low of 17.1°F (-8.3°C).Humidity
The months with the highest humidity in Bolingbrook, Illinois, are January and February, with an average relative humidity of 83%.Rainfall
In Bolingbrook, Illinois, in January, during 5.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Bolingbrook, there are 145.4 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Bolingbrook is January, when snow falls for 12.1 days and typically aggregates up to 3.11" (79mm) of snow.Daylight
In January, the average length of the day in Bolingbrook is 9h and 34min.On the first day of January in Bolingbrook, sunrise is at 7:19 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:05 pm CST.
Sunshine
January has the least sunshine of the year in Bolingbrook, Illinois, with an average of 3.8h of sunshine.UV index
The average daily maximum UV index in January in Bolingbrook is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What time of the year is the coldest in Bolingbrook?
How cold is it in Bolingbrook in January?
What are the most humid months in Bolingbrook?
What is the average humidity in January in Bolingbrook?
How many days does it rain in January in Bolingbrook?
When does it snow the most in Bolingbrook?
How much does it snow in Bolingbrook in January?
How many hours of daylight does Bolingbrook have in January?
When are sunrise and sunset in January in Bolingbrook?
What is the month with the least sunshine in Bolingbrook?
How many hours of sunshine does Bolingbrook have in January?
What is the UV index reading in January in Bolingbrook?
Average temperature in January
Bolingbrook, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Bolingbrook, IL
- Average pressure in January: 30.11"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 January
Bolingbrook, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Bolingbrook, IL
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Bolingbrook, IL
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in January
Bolingbrook, IL
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Bolingbrook, IL
- Average snowfall in January: 3.11"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Bolingbrook, IL
- Average snowfall days in January: 12.1 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Bolingbrook, IL
- Average daylight in January: 9h and 4min
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 January: 3h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Bolingbrook, IL
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Bolingbrook, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Bolingbrook, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Bolingbrook, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Bolingbrook, Illinois, USA
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