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 Manhattan, the month of January registers the lowest temperatures, averaging 29.3°F (-1.5°C) at the peak and 17.4°F (-8.1°C) at the lowest.Humidity
In Manhattan, the average relative humidity in January is 82%.Rainfall
In January, in Manhattan, the rain falls for 5.9 days. Throughout January, 1.77" (45mm) of precipitation is accumulated. Throughout the year, in Manhattan, there are 149.8 rainfall days, and 31.26" (794mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Manhattan, Illinois. January is the month with the most snowfall in Manhattan. Snow falls for 12.3 days and accumulates 4.53" (115mm) of snow.Daylight
In January, the average length of the day in Manhattan is 9h and 35min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:32 pm. On the last day of January, sunrise is at 7:04 am and sunset at 5:06 pm CST.
Sunshine
January has the least sunshine of the year in Manhattan, Illinois, with an average of 3.6h of sunshine.UV index
The months with the lowest UV index in Manhattan are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the coldest months in Manhattan?
How cold is January in Manhattan?
What is the average humidity in January in Manhattan?
How much does it rain in Manhattan in January?
What is the snowiest month in Manhattan?
How many days does it snow in January in Manhattan?
What is the average length of the day in January in Manhattan?
When is the sunrise / sunset in January in Manhattan?
What is the month with the least sunshine in Manhattan?
How many hours of sunshine does Manhattan have in January?
What are the months with the lowest UV index in Manhattan?
How high is the UV index in January in Manhattan?
Average temperature in January
Manhattan, IL
- Average high temperature in January: 29.3°F
The warmest month (with the highest average high temperature) is July (81.7°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 (64.9°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Manhattan, IL
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Manhattan, IL
- Average wind speed in January: 9.7mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Manhattan, IL
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Manhattan, IL
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is May (4.21").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in January
Manhattan, IL
- Average rainfall days in January: 5.9 days
The months with the highest number of rainy days are June and July (17.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Manhattan, IL
- Average snowfall in January: 4.53"
The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Manhattan, IL
- Average snowfall days in January: 12.3 days
The month with the highest number of snowfall days is January (12.3 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
Manhattan, IL
- Average daylight in January: 9h and 4min
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 4min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Manhattan, IL
- Average sunshine days in January: 14.1 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in January
Manhattan, IL
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Manhattan, IL
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Manhattan, 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).
Manhattan, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
