January weather forecastHanover, IL
January
Weather in January
January, the same as December, in Hanover, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 25.7°F (-3.5°C) and 13.1°F (-10.5°C).Temperature
The coldest time of the year is January, with temperatures averaging a high of 25.7°F (-3.5°C) and a low of 13.1°F (-10.5°C).Humidity
With an average relative humidity of 87%, January is the most humid month in Hanover.Rainfall
The month with the least rainfall in Hanover is January, when the rain falls for 5.4 days and typically collects 1.22" (31mm) of precipitation.Snowfall
Months with snowfall in Hanover, Illinois, are January through April, October through December. January is the month with the most snowfall in Hanover. Snow falls for 10.6 days and accumulates 4.61" (117mm) of snow.Daylight
In January, the average length of the day is 9h and 31min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:39 pm. On the last day of January, in Hanover, Illinois, sunrise is at 7:15 am and sunset at 5:13 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Hanover.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hanover, Illinois. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 1 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hanover, IL
- Average high temperature in January: 25.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in January: 13.1°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in January
Hanover, IL
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Hanover, IL
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in January
Hanover, IL
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Hanover, IL
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in January
Hanover, IL
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in January
Hanover, IL
- Average snowfall in January: 4.61"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Hanover, IL
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is January (10.6 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
Hanover, IL
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Hanover, IL
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in January
Hanover, IL
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Hanover, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Hanover, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
