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 month that records the lowest temperatures, with averages ranging from a high of 25.2°F (-3.8°C) to a low of 12.7°F (-10.7°C).Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
In South Beloit, during January, the rain falls for 3.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 122.2 rainfall days, and 16.42" (417mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 11.5 days and typically aggregates up to 2.52" (64mm) of snow.Daylight
The average length of the day in January in South Beloit is 9h and 29min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:33 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:07 pm CST.
Sunshine
January and February, with an average of 3.5h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in January suggests 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. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January in South Beloit?
How many days does it rain in January?
What is the snowiest month in South Beloit?
How much does it snow in January?
How many hours of daylight does South Beloit have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does South Beloit have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
South Beloit, IL
- Average high temperature in January: 25.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in January: 12.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in January
South Beloit, 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 (29.91"Hg).
Average wind speed in January
South Beloit, IL
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
South Beloit, IL
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in January
South Beloit, IL
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is June (2.28").
The driest months (with the least rainfall) are February and December (0.67").
Average rainfall days in January
South Beloit, IL
- Average rainfall days in January: 3.1 days
The months with the highest number of rainy days are May and June (15.3 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in January
South Beloit, IL
- Average snowfall in January: 2.52"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
South Beloit, IL
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is January (11.5 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
South Beloit, IL
- Average daylight in January: 9h and 3min
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 6min).
- Average sunshine in January: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in January
South Beloit, IL
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in January
South Beloit, IL
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
South Beloit, IL
- Average cloud cover in January: 65
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in January
South Beloit, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
South Beloit, Illinois, USA
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