January weather forecastAntioch, IL
January
Weather in January
The beginning of the year in Antioch, Illinois, sees the city embrace a typical winter's chill. A stark contrast from the warmth of the holiday season, January carries the mantle of being one of the coldest months. With temperatures dipping as low as 14.9°F (-9.5°C) and only slightly warming up to an average high of 26.2°F (-3.2°C), it is clear that winter is in full swing. Residents and tourists alike get a chance to enjoy winter sports, snowfall, and the spectacular view of a winter wonderland. The month also witnesses the lowest daylight hours of the year at 9.5 hours, underlining the long, dark nights of winter.Temperature
January, with average temperatures reaching a high of 26.2°F (-3.2°C) and a low of 14.9°F (-9.5°C), is the coldest month in Antioch.Humidity
January is the most humid month in Antioch, with an average relative humidity of 85%.Rainfall
In Antioch, in January, it is raining for 4.1 days, with typically 1.26" (32mm) of accumulated precipitation. In Antioch, during the entire year, the rain falls for 139.6 days and collects up to 26.18" (665mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 10.1 days and accumulates 4.33" (110mm) of snow.Daylight
The average length of the day in January in Antioch is 9h and 29min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:04 pm CST.
Sunshine
The months with the least sunshine are January and February, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in Antioch are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 1 in January translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Antioch, IL
- Average high temperature in January: 26.2°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in January: 14.9°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in January
Antioch, IL
- Average pressure in January: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Antioch, IL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Antioch, IL
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in January
Antioch, IL
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in January
Antioch, IL
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in January
Antioch, IL
- Average snowfall in January: 4.33"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Antioch, IL
- Average snowfall days in January: 10.1 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Antioch, IL
- Average daylight in January: 9h and 30min
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 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in January
Antioch, IL
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in January
Antioch, IL
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Antioch, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in January
Antioch, 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).





