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
The month of January sees the lowest average temperatures, reaching 29.8°F (-1.2°C) at the peak and 18.3°F (-7.6°C) at the low.Humidity
In January, the average relative humidity is 82%.Rainfall
In Campus, in January, during 4.6 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 117.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Campus, in January, snow falls for 9.9 days, with typically accumulated 1.14" (29mm) of snow. In Campus, during the entire year, snow falls for 31.9 days and aggregates up to 5.2" (132mm) of snow.Daylight
In Campus, the average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:18 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 1 in January translates into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Campus have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Campus have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Campus, IL
- Average high temperature in January: 29.8°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 (29.8°F).
- Average low temperature in January: 18.3°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 (18.3°F).
Average pressure in January
Campus, 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
Campus, IL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Campus, 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
Campus, IL
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days in January
Campus, IL
- Average rainfall days in January: 4.6 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Campus, IL
- Average snowfall in January: 1.14"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Campus, IL
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is January (9.9 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
Campus, IL
- Average daylight in January: 9h and 4min
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 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Campus, IL
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Campus, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Campus, 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 34).
Average visibility in January
Campus, 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).
Campus, Illinois, USA
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