January weather forecastCullom, IL
January
Weather in January
January, like December, is another subzero cold winter month in Cullom, Illinois, with an average temperature ranging between min 18.3°F (-7.6°C) and max 29.8°F (-1.2°C).Temperature
In Cullom, the lowest average temperatures are observed in January, with a high of 29.8°F (-1.2°C) and a low of 18.3°F (-7.6°C).Humidity
In Cullom, the average relative humidity in January is 82%.Rainfall
In January, in Cullom, the rain falls for 4.6 days. Throughout January, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 117.5 rainfall days, and 13.74" (349mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Cullom, in January, snow falls for 9.9 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, in Cullom, Illinois, there are 31.9 snowfall days, and 5.2" (132mm) of snow is accumulated.Daylight
In Cullom, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:35 pm. On the last day of January, in Cullom, sunrise is at 7:04 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.8h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, an average UV index of 1 transforms into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cullom, IL
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in January: 18.3°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in January
Cullom, 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 (29.92"Hg).
Average wind speed in January
Cullom, IL
- Average wind speed in January: 10.3mph
The windiest months (with the highest average wind speed) are January and April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Cullom, 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
Cullom, IL
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is May (2.09").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days in January
Cullom, IL
- Average rainfall days in January: 4.6 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in January
Cullom, IL
- Average snowfall in January: 1.14"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Cullom, IL
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is January (9.9 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
Cullom, 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: 3h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Cullom, IL
- Average sunshine days in January: 18.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Cullom, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Cullom, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in January
Cullom, 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).
