Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, marked by an average high-temperature of 30.2°F (-1°C) and a low-temperature of 18.5°F (-7.5°C), is the coldest month.Humidity
The average relative humidity in January is 82%.Rainfall
January, February and December are months with the least rain when the rain falls for 5.6 days and typically aggregates up to 1.06" (27mm) of rain.Snowfall
Months with snowfall are January through April, October through December. In Clifton, in January, snow falls for 10.8 days, with typically accumulated 2.28" (58mm) of snow. In Clifton, during the entire year, snow falls for 35.3 days and aggregates up to 9.37" (238mm) of snow.Daylight
The average length of the day in January is 9h and 38min.On the first day of January, sunrise is at 7:16 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:07 pm CST.
Sunshine
The month with the least sunshine in Clifton is January, with an average of 3.7h of sunshine.UV index
In Clifton, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. During bright days, sunglasses that offer UVA and UVB defense are recommended. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Clifton have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Clifton have in January?
How high is the UV index in January?
Average temperature in January
Clifton, IL
- Average high temperature in January: 30.2°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 (30.2°F).
- Average low temperature in January: 18.5°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 (18.5°F).
Average pressure in January
Clifton, 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
Clifton, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Clifton, 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 (71%).
Average rainfall in January
Clifton, IL
- Average rainfall in January: 1.06"
The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").
Average rainfall days in January
Clifton, IL
- Average rainfall days in January: 5.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in January
Clifton, IL
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Clifton, 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
Clifton, IL
- Average daylight in January: 9h and 4min
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 4min
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 42min).
Average sunshine days in January
Clifton, IL
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in January
Clifton, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Clifton, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in January
Clifton, 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).
Clifton, Illinois, USA
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