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 brings the lowest temperatures, with an average high of 31.8°F (-0.1°C) and an average low of 19.9°F (-6.7°C).Humidity
In Clinton, the average relative humidity in January is 80%.Rainfall
In Clinton, during January, the rain falls for 7.8 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 165.4 rainfall days, and 33.78" (858mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 12 days and typically aggregates up to 4.49" (114mm) of snow.Daylight
The average length of the day in January is 9h and 42min.On the first day of January, sunrise is at 7:18 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.9h of sunshine.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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January in Clinton?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Clinton, IL
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Clinton, 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
Clinton, IL
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Clinton, IL
- Average humidity in January: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in January
Clinton, IL
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is December (1.89").
Average rainfall days in January
Clinton, IL
- Average rainfall days in January: 7.8 days
The months with the highest number of rainy days are May and July (20.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Clinton, IL
- Average snowfall in January: 4.49"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Clinton, IL
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 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
Clinton, IL
- Average daylight in January: 9h and 4min
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 24min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Clinton, IL
- Average sunshine days in January: 13.8 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in January
Clinton, 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
Clinton, IL
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in January
Clinton, 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).
Clinton, Illinois, USA
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