January weather forecastMazon, IL
January
Weather in January
January, like December, is another subzero cold winter month in Mazon, Illinois, with an average temperature fluctuating between 18°F (-7.8°C) and 29.8°F (-1.2°C).Temperature
With its high average temperature of 29.8°F (-1.2°C) and a low of 18°F (-7.8°C), January is regarded as the coldest month.Humidity
The average relative humidity in January in Mazon is 82%.Rainfall
In January, the rain falls for 5.3 days. Throughout January, 1.06" (27mm) of precipitation is accumulated. In Mazon, during the entire year, the rain falls for 140.4 days and collects up to 21.5" (546mm) of precipitation.Snowfall
Months with snowfall in Mazon are January through April, October through December. In Mazon, Illinois, in January, during 11.5 snowfall days, 1.89" (48mm) of snow is typically accumulated. In Mazon, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.Daylight
In January, the average length of the day in Mazon is 9h and 37min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:35 pm. On the last day of January, in Mazon, Illinois, sunrise is at 7:05 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.9h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Mazon. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 1 in January leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mazon, 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°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 (18°F).
Average pressure in January
Mazon, 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 (29.92"Hg).
Average wind speed in January
Mazon, IL
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Mazon, 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 (72%).
Average rainfall in January
Mazon, IL
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in January
Mazon, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in January
Mazon, IL
- Average snowfall in January: 1.89"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mazon, IL
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is January (11.5 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
Mazon, 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 month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Mazon, IL
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in January
Mazon, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Mazon, 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
Mazon, 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).
