January weather forecastClaytonville, IL
January
Weather in January
January, like December, is a freezing cold winter month in Claytonville, Illinois, with an average temperature ranging between min 19°F (-7.2°C) and max 31.1°F (-0.5°C).Temperature
January is Claytonville's coldest month, registering average high temperatures of 31.1°F (-0.5°C) and lows of 19°F (-7.2°C).Humidity
The average relative humidity in January in Claytonville is 82%.Rainfall
In Claytonville, Illinois, in January, during 6.4 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Claytonville, there are 143.2 rainfall days, and 22.24" (565mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Claytonville, Illinois. The month with the most snowfall in Claytonville is January, when snow falls for 10.4 days and typically aggregates up to 2.91" (74mm) of snow.Daylight
In Claytonville, the average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:07 pm CST.
Sunshine
With an average of 3.8h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Claytonville, IL
- Average high temperature in January: 31.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in January
Claytonville, 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 (29.93"Hg).
Average wind speed in January
Claytonville, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Claytonville, 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
Claytonville, IL
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in January
Claytonville, IL
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in January
Claytonville, IL
- Average snowfall in January: 2.91"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Claytonville, IL
- Average snowfall days in January: 10.4 days
The month with the highest number of snowfall days is January (10.4 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
Claytonville, IL
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Claytonville, IL
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in January
Claytonville, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Claytonville, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in January
Claytonville, 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).
