January weather forecastRossville, IL
January
Weather in January
January, the same as December, in Rossville, Illinois, is a freezing cold winter month, with an average temperature ranging between max 31.5°F (-0.3°C) and min 19.8°F (-6.8°C).Temperature
Rossville's coldest month, January, registers temperatures that range from a high of 31.5°F (-0.3°C) to a low of 19.8°F (-6.8°C).Humidity
In January, the average relative humidity in Rossville is 81%.Rainfall
In January, the rain falls for 7.3 days. Throughout January, 1.42" (36mm) of precipitation is accumulated. In Rossville, during the entire year, the rain falls for 146.3 days and collects up to 22.76" (578mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rossville, during January, snow falls for 9.8 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 34.2 snowfall days, and 7.8" (198mm) of snow is accumulated.Daylight
In Rossville, the average length of the day in January is 9h and 41min.On the first day of January, sunrise is at 7:13 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:07 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
In January, the average daily maximum UV index in Rossville is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 in January translates into these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rossville, IL
- Average high temperature in January: 31.5°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 (31.5°F).
- Average low temperature in January: 19.8°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 (19.8°F).
Average pressure in January
Rossville, 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 (29.93"Hg).
Average wind speed in January
Rossville, IL
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Rossville, 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 (72%).
Average rainfall in January
Rossville, IL
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in January
Rossville, IL
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in January
Rossville, IL
- Average snowfall in January: 2.05"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Rossville, IL
- Average snowfall days in January: 9.8 days
The month with the highest number of snowfall days is January (9.8 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
Rossville, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Rossville, IL
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in January
Rossville, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rossville, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in January
Rossville, 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).
