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 coldest time of the year is January, with temperatures averaging a high of 26.1°F (-3.3°C) and a low of 13.5°F (-10.3°C).Humidity
January is the most humid month, with an average relative humidity of 86%.Rainfall
The months with the least rainfall are January and February Rain falls for 4.1 days and accumulates 0.67" (17mm) of rain.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 10.6 days and typically aggregates up to 2.48" (63mm) of snow.Daylight
In Chadwick, the average length of the day in January is 9h and 32min.On the first day of January, sunrise is at 7:27 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:12 pm CST.
Sunshine
January and February, with an average of 3.7h of sunshine, are months with the least 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 1 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
How many hours of daylight does Chadwick have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Chadwick have in January?
When is the lowest UV index?
How high is the UV index in January in Chadwick?
Average temperature in January
Chadwick, IL
- Average high temperature in January: 26.1°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Chadwick, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Chadwick, IL
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Chadwick, IL
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Chadwick, IL
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is May (2.52").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in January
Chadwick, IL
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in January
Chadwick, IL
- Average snowfall in January: 2.48"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Chadwick, IL
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is January (10.6 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
Chadwick, IL
- Average daylight in January: 9h and 3min
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 12min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in January
Chadwick, IL
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Chadwick, IL
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Chadwick, IL
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in January
Chadwick, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Chadwick, Illinois, USA
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