January weather forecastKeithsburg, IL
January
Weather in January
January, like December, is another subzero cold winter month in Keithsburg, Illinois, with an average temperature fluctuating between 29.7°F (-1.3°C) and 17.8°F (-7.9°C).Temperature
The coldest period is January, when temperatures fluctuate between an average high of 29.7°F (-1.3°C) and a low of 17.8°F (-7.9°C).Humidity
In Keithsburg, the average relative humidity in January is 81%.Rainfall
The months with the least rainfall are January and December Rain falls for 6.1 days and accumulates 1.46" (37mm) of rain.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall in Keithsburg. Snow falls for 10.8 days and accumulates 4.06" (103mm) of snow.Daylight
In Keithsburg, the average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:18 pm CST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during January translates into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Keithsburg, IL
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 17.8°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 (17.8°F).
Average pressure in January
Keithsburg, 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 (29.9"Hg).
Average wind speed in January
Keithsburg, IL
- Average wind speed in January: 10.6mph
The windiest months (with the highest average wind speed) are January and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in January
Keithsburg, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Keithsburg, IL
- Average rainfall in January: 1.46"
The wettest month (with the highest rainfall) is May (4.57").
The driest months (with the least rainfall) are January and December (1.46").
Average rainfall days in January
Keithsburg, IL
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
Keithsburg, IL
- Average snowfall in January: 4.06"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Keithsburg, IL
- Average snowfall days in January: 10.8 days
The month with the highest number of snowfall days is January (10.8 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
Keithsburg, 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: 4h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Keithsburg, IL
- Average sunshine days in January: 15.2 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in January
Keithsburg, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Keithsburg, IL
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in January
Keithsburg, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





