January weather forecastSeaton, IL
January
Weather in January
January, the same as December, in Seaton, Illinois, is another subzero cold winter month, with an average temperature ranging between max 28.8°F (-1.8°C) and min 16.9°F (-8.4°C).Temperature
Seaton's January weather reaches an average high of 28.8°F (-1.8°C) and an average low of 16.9°F (-8.4°C), making it the coldest month.Humidity
In January, the average relative humidity is 82%.Rainfall
In Seaton, during January, the rain falls for 4.1 days and regularly aggregates up to 0.79" (20mm) of precipitation. Throughout the year, there are 121.3 rainfall days, and 17.72" (450mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is January, when snow falls for 7.8 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
In January, the average length of the day in Seaton is 9h and 37min.On the first day of January, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.2h of sunshine, January has the least sunshine of the year.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index in Seaton. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 1 during January leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Seaton, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in January
Seaton, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Seaton, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Seaton, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Seaton, IL
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in January
Seaton, IL
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Seaton, IL
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Seaton, IL
- Average snowfall days in January: 7.8 days
The month with the highest number of snowfall days is January (7.8 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
Seaton, 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: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in January
Seaton, IL
- Average sunshine days in January: 20.3 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in January
Seaton, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Seaton, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in January
Seaton, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
