January weather forecastLeonore, IL
January
Weather in January
January, the same as December, in Leonore, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 29.5°F (-1.4°C).Temperature
The coldest temperatures occur during January, when averages reach a peak of 29.5°F (-1.4°C) and a low of 17.8°F (-7.9°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In January, the rain falls for 5.5 days. Throughout January, 1.38" (35mm) of precipitation is accumulated. Throughout the year, in Leonore, there are 145 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Leonore, in January, snow falls for 11.8 days, with typically accumulated 2.87" (73mm) of snow. In Leonore, during the entire year, snow falls for 37.9 days and aggregates up to 12.91" (328mm) of snow.Daylight
In January, the average length of the day in Leonore, Illinois, is 9h and 37min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:10 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 1 transforms into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Leonore, IL
- Average high temperature in January: 29.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in January: 17.8°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 (17.8°F).
Average pressure in January
Leonore, 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
Leonore, 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 (6.2mph).
Average humidity in January
Leonore, 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 (72%).
Average rainfall in January
Leonore, IL
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in January
Leonore, IL
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Leonore, IL
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Leonore, IL
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 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
Leonore, 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 June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Leonore, IL
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in January
Leonore, 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
Leonore, 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
Leonore, 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).





