January weather forecastNormal, IL
January
Weather in January
January in Normal, Illinois, USA, is characterized by a cold temperate climate. The month typically experiences extremes in temperature, from a high of 30.7°F (-0.7°C) to a low of 18.9°F (-7.3°C). Snowfall, while prevalent, is not excessive, with the city usually receiving no more than 2.44" (62mm). Skies remain fairly cloudy and it is usual to have limited daylight at this time of year. January's weather conditions set the scene for a wintry wonderland in Normal.Temperature
Normal's January weather, with an average high temperature of 30.7°F (-0.7°C) and an average low temperature of 18.9°F (-7.3°C), tends to be the coldest of the year.Humidity
In January, the average relative humidity in Normal is 81%.Rainfall
January is the month with the least rainfall. Rain falls for 5.6 days and accumulates 1.18" (30mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 11.5 days and typically aggregates up to 2.44" (62mm) of snow.Daylight
The average length of the day in January is 9h and 40min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:12 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year in Normal.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during January leads to these advisories:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Normal, IL
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Normal, 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 (29.92"Hg).
Average wind speed in January
Normal, IL
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Normal, 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
Normal, IL
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in January
Normal, IL
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Normal, IL
- Average snowfall in January: 2.44"
The month with the highest snowfall is January (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Normal, 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
Normal, 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 36min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Normal, IL
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in January
Normal, 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
Normal, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in January
Normal, 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).
