January weather forecastMackinaw, IL
January
Weather in January
January, the same as December, in Mackinaw, Illinois, is another subzero cold winter month, with an average temperature varying between 19°F (-7.2°C) and 31.1°F (-0.5°C).Temperature
In Mackinaw, January is the month with the lowest recorded average temperatures, measuring a high of 31.1°F (-0.5°C) and a low of 19°F (-7.2°C).Humidity
In Mackinaw, the average relative humidity in January is 81%.Rainfall
In Mackinaw, Illinois, in January, during 3.6 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, there are 99.2 rainfall days, and 8.43" (214mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mackinaw are January through April, October through December. January is the month with the most snowfall in Mackinaw. Snow falls for 6.8 days and accumulates 1.02" (26mm) of snow.Daylight
The average length of the day in January in Mackinaw is 9h and 40min.On the first day of January in Mackinaw, sunrise is at 7:20 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine in Mackinaw, Illinois, is January, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index in Mackinaw, Illinois, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Mackinaw, IL
- Average high temperature in January: 31.1°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 (31.1°F).
- Average low temperature in January: 19°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 (19°F).
Average pressure in January
Mackinaw, 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 (29.91"Hg).
Average wind speed in January
Mackinaw, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Mackinaw, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Mackinaw, IL
- Average rainfall in January: 0.47"
The wettest month (with the highest rainfall) is May (1.14").
The driest month (with the least rainfall) is December (0.43").
Average rainfall days in January
Mackinaw, IL
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in January
Mackinaw, IL
- Average snowfall in January: 1.02"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Mackinaw, IL
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 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
Mackinaw, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Mackinaw, IL
- Average sunshine days in January: 23 days
The month with the most sunshine days is January (23 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in January
Mackinaw, 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
Mackinaw, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Mackinaw, 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).
