January weather forecastCentralia, IL
January
Weather in January
January, like December, in Centralia, Illinois, is a wintry winter month, with an average temperature fluctuating between 37.2°F (2.9°C) and 24.3°F (-4.3°C).Temperature
Centralia's coldest month, January, generally records average temperatures ranging from a high of 37.2°F (2.9°C) to a low of 24.3°F (-4.3°C).Humidity
In Centralia, the average relative humidity in January is 77%.Rainfall
In Centralia, in January, during 3.7 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. In Centralia, Illinois, during the entire year, the rain falls for 83.2 days and collects up to 6.81" (173mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall in Centralia is January, when snow falls for 3.8 days and typically aggregates up to 0.28" (7mm) of snow.Daylight
In Centralia, the average length of the day in January is 9h and 50min.On the first day of the month, sunrise is at 7:13 am and sunset at 4:45 pm. On the last day of January, in Centralia, sunrise is at 7:02 am and sunset at 5:16 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index in Centralia are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Centralia, IL
- Average high temperature in January: 37.2°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Centralia, 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
Centralia, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is February (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in January
Centralia, IL
- Average humidity in January: 77%
The months with the highest relative humidity are May and July (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Centralia, IL
- Average rainfall in January: 0.55"
The wettest months (with the highest rainfall) are April and July (0.75").
The driest month (with the least rainfall) is September (0.24").
Average rainfall days in January
Centralia, IL
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (10.1 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in January
Centralia, IL
- Average snowfall in January: 0.28"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Centralia, IL
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Centralia, IL
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Centralia, IL
- Average sunshine days in January: 24.5 days
The months with the most sunshine days are January and December (24.5 days).
The month with the least sunshine days is May (16.8 days).
Average UV index in January
Centralia, 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, November and December (UV index 2).
Average cloud cover in January
Centralia, IL
- Average cloud cover in January: 51
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Centralia, 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).
