January weather forecastMorris, IL
January
Weather in January
January, the same as December, in Morris, Illinois, is a freezing cold winter month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 17.4°F (-8.1°C).Temperature
January tends to be the coldest month, with temperatures averaging a daily high of 29.3°F (-1.5°C) and a low of 17.4°F (-8.1°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In January, the rain falls for 6.8 days. Throughout January, 1.89" (48mm) of precipitation is accumulated. In Morris, during the entire year, the rain falls for 167.3 days and collects up to 35.83" (910mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Morris, during January, snow falls for 12.4 days and regularly aggregates up to 4.37" (111mm) of snow. Throughout the year, there are 42.7 snowfall days, and 16.69" (424mm) of snow is accumulated.Daylight
In Morris, the average length of the day in January is 9h and 36min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:08 pm CST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year.UV index
With an average maximum UV index of 1, January is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during January translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Morris, IL
- Average high temperature in January: 29.3°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 (29.3°F).
- Average low temperature in January: 17.4°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 (17.4°F).
Average pressure in January
Morris, IL
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Morris, IL
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Morris, IL
- Average humidity in January: 82%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Morris, IL
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is May (4.96").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in January
Morris, IL
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in January
Morris, IL
- Average snowfall in January: 4.37"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Morris, IL
- Average snowfall days in January: 12.4 days
The month with the highest number of snowfall days is January (12.4 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
Morris, IL
- Average daylight in January: 9h and 36min
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 12min).
- Average sunshine in January: 3h and 54min
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 54min).
Average sunshine days in January
Morris, IL
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in January
Morris, IL
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Morris, 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 August and September (Cloud cover 33).
Average visibility in January
Morris, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





