January weather forecastMark, IL
January
Weather in January
January, like December, is another subzero cold winter month in Mark, Illinois, with an average temperature ranging between max 28.9°F (-1.7°C) and min 16.9°F (-8.4°C).Temperature
Mark records the coldest temperatures in January, averaging a high of 28.9°F (-1.7°C) and a low of 16.9°F (-8.4°C).Humidity
In Mark, the average relative humidity in January is 83%.Rainfall
The months with the least rainfall are January and December Rain falls for 5.9 days and accumulates 1.61" (41mm) of rain.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Mark is January, when snow falls for 11.9 days and typically aggregates up to 4.09" (104mm) of snow.Daylight
In Mark, the average length of the day in January is 9h and 36min.On the first day of January, sunrise is at 7:22 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:11 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 1 transforms into these recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mark, IL
- Average high temperature in January: 28.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in January
Mark, 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 (29.91"Hg).
Average wind speed in January
Mark, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Mark, IL
- Average humidity in January: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Mark, IL
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").
Average rainfall days in January
Mark, IL
- Average rainfall days in January: 5.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in January
Mark, IL
- Average snowfall in January: 4.09"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mark, IL
- Average snowfall days in January: 11.9 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Mark, 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 54min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Mark, IL
- Average sunshine days in January: 14 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in January
Mark, 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
Mark, 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 32).
Average visibility in January
Mark, 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).
