January weather forecastLena, IL
January
Weather in January
January in Lena, Illinois, USA offers a winter wonderland, with chilly temperatures and frequent snowfall. Crisp and cold air is a constant companion, as is the heavy cloud cover. During this first month of the year, the relative humidity registers at 87%, contributing to the heightened perception of cold. A standout feature of January's weather is its snowfall, counting 3.46" (88mm) over approximately 13 days. With short daylight hours and relatively low sunshine, residents often need to bundle up when venturing outdoors.Temperature
In Lena, the lowest temperatures are generally noted in January, averaging a high of 24.8°F (-4°C) and a low of 12.9°F (-10.6°C).Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
January is the month with the least rainfall. Rain falls for 5.3 days and accumulates 1.06" (27mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. January is the month with the most snowfall. Snow falls for 13.1 days and accumulates 3.46" (88mm) of snow.Daylight
In Lena, Illinois, the average length of the day in January is 9h and 30min.On the first day of January, sunrise is at 7:28 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:11 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In January, the UV index of 1 transforms into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lena, IL
- Average high temperature in January: 24.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in January: 12.9°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in January
Lena, 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 (29.91"Hg).
Average wind speed in January
Lena, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Lena, IL
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in January
Lena, IL
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in January
Lena, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in January
Lena, IL
- Average snowfall in January: 3.46"
The month with the highest snowfall is January (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Lena, IL
- Average snowfall days in January: 13.1 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lena, IL
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Lena, IL
- Average sunshine days in January: 14.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in January
Lena, IL
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Lena, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in January
Lena, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
