January weather forecastSaint Libory, IL
January
Weather in January
January, the same as December, is a wintry winter month in Saint Libory, Illinois, with an average temperature varying between 25.2°F (-3.8°C) and 38.3°F (3.5°C).Temperature
In Saint Libory, the lowest temperatures are generally noted in January, averaging a high of 38.3°F (3.5°C) and a low of 25.2°F (-3.8°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Saint Libory, in January, it is raining for 6.5 days, with typically 1.18" (30mm) of accumulated precipitation. In Saint Libory, during the entire year, the rain falls for 129.6 days and collects up to 19.09" (485mm) of precipitation.Snowfall
January through March, September through December are months with snowfall. The month with the most snowfall is January, when snow falls for 5.6 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In Saint Libory, the average length of the day in January is 9h and 51min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:19 pm CST.
Sunshine
With an average of 4.7h of sunshine, January has the least sunshine of the year.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 health risk from exposure to the Sun's UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Libory, IL
- Average high temperature in January: 38.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Saint Libory, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Saint Libory, IL
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in January
Saint Libory, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Saint Libory, IL
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in January
Saint Libory, IL
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (15.1 days).
The months with the least rainy days are January and December (6.5 days).
Average snowfall in January
Saint Libory, IL
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, May, June, July and August (0").
Average snowfall days in January
Saint Libory, IL
- Average snowfall days in January: 5.6 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Saint Libory, IL
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Saint Libory, IL
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in January
Saint Libory, IL
- Average UV index in January: 2
The months with the highest UV index are May, 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 January
Saint Libory, IL
- Average cloud cover in January: 49
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in January
Saint Libory, IL
- Average visibility in January: 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).





