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
In Carbondale, Illinois, January is the coldest month, with temperatures averaging a high of 39.6°F (4.2°C) and a low of 26.2°F (-3.2°C).Humidity
The average relative humidity in January is 76%.Rainfall
In Carbondale, Illinois, in January, it is raining for 9.4 days, with typically 2.17" (55mm) of accumulated precipitation. In Carbondale, Illinois, during the entire year, the rain falls for 158.6 days and collects up to 34.69" (881mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Carbondale. In Carbondale, in January, snow falls for 4.8 days, with typically accumulated 1.22" (31mm) of snow. In Carbondale, during the entire year, snow falls for 15.9 days and aggregates up to 5.71" (145mm) of snow.Daylight
In January, the average length of the day is 9h and 55min.On the first day of the month, sunrise is at 7:12 am and sunset at 4:48 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine in Carbondale is January, with an average of 4.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Carbondale, Illinois. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests this advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Carbondale?
Is it cold in Carbondale during January?
What is the average humidity in January in Carbondale?
How much does it rain in Carbondale in January?
How much does it snow in Carbondale in January?
How many hours of daylight does Carbondale have in January?
What time are sunrise and sunset in January in Carbondale?
What is the month with the least sunshine in Carbondale?
How many hours of sunshine does Carbondale have in January?
What are the months with the lowest UV index in Carbondale?
What is the UV index reading in January in Carbondale?
Average temperature in January
Carbondale, IL
- Average high temperature in January: 39.6°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in January: 26.2°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in January
Carbondale, IL
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Carbondale, IL
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Carbondale, IL
- Average humidity in January: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Carbondale, IL
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Carbondale, IL
- Average rainfall days in January: 9.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in January
Carbondale, IL
- Average snowfall in January: 1.22"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Carbondale, IL
- Average snowfall days in January: 4.8 days
The months with the highest number of snowfall days are January and February (4.8 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
Carbondale, IL
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in January
Carbondale, IL
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Carbondale, IL
- Average UV index in January: 2
The months with the highest UV index are May, 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
Carbondale, IL
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in January
Carbondale, 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).
Carbondale, Illinois, USA
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