January weather forecastCornell, IL
January
Weather in January
January, like December, is another subzero cold winter month in Cornell, Illinois, with an average temperature fluctuating between 18.5°F (-7.5°C) and 30.2°F (-1°C).Temperature
In Cornell, the lowest temperatures are generally noted in January, averaging a high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C).Humidity
In Cornell, the average relative humidity in January is 82%.Rainfall
January and February are months with the least rain when the rain falls for 4.3 days and typically aggregates up to 0.71" (18mm) of rain.Snowfall
Months with snowfall in Cornell are January through April, October through December. January is the month with the most snowfall in Cornell, Illinois. Snow falls for 10.2 days and accumulates 1.73" (44mm) of snow.Daylight
In January, the average length of the day in Cornell is 9h and 38min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:37 pm. On the last day of January, in Cornell, sunrise is at 7:06 am and sunset at 5:10 pm CST.
Sunshine
The month with the least sunshine in Cornell is January, with an average of 3.8h of sunshine.UV index
In Cornell, Illinois, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cornell, IL
- Average high temperature in January: 30.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
Cornell, IL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Cornell, IL
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Cornell, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Cornell, IL
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January and February (0.71").
Average rainfall days in January
Cornell, IL
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in January
Cornell, IL
- Average snowfall in January: 1.73"
The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cornell, IL
- Average snowfall days in January: 10.2 days
The month with the highest number of snowfall days is January (10.2 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
Cornell, 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 months with the most sunshine are June and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Cornell, IL
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Cornell, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Cornell, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in January
Cornell, 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).
