Planning a trip to Illinois, the United States of America this January? Here's what you need to know about the weather:
What to Expect in Illinois in January
Illinois, the United States of America is a region in the United States of America. January in Illinois generally has temperatures that range from very cold to cold, with precipitation levels ranging from low to moderate. During January, winter is in full swing.
Temperatures
Based on our climate data spanning from 1990-2020, the average maximum temperature is very cold in Galena at -2°C (28°F) to cold in Metropolis at 6°C (43°F). Nighttime temperatures generally drop to -4°C (25°F) in Metropolis and -12°C (10°F) in Galena. On average, January is the coldest month of the year in Illinois, the United States of America. So be prepared and make sure to pack winter cloths.To explore the conditions in Illinois, the United States of America in more detail, check the map below.
Precipitation
In January, precipitation varies across different areas. From low snowfall in Galena with an average of 27 mm (1.1 in) to moderate snowfall in Metropolis with 100 mm (3.9 in). Based on our climate data it is the driest month of the year in Chicago.Average sunshine
Sunshine is fairly consistent across many areas. Chicago receives about 133 hours of sunlight in January, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.
