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
Grant Park witnesses the coldest weather in January, with temperatures averaging a high of 30°F (-1.1°C) and a low of 18.5°F (-7.5°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In Grant Park, in January, it is raining for 6.4 days, with typically 0.79" (20mm) of accumulated precipitation. In Grant Park, during the entire year, the rain falls for 132 days and collects up to 15.16" (385mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 1.42" (36mm) of snow.Daylight
In January, the average length of the day is 9h and 37min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:02 am and sunset at 5:05 pm CST.
Sunshine
January has the least sunshine of the year in Grant Park, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in January transforms into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Enhance your sun protection with tightly woven, yet airy clothing. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month in Grant Park?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January in Grant Park?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Grant Park, IL
- Average high temperature in January: 30°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 (30°F).
- Average low temperature in January: 18.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in January
Grant Park, 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
Grant Park, IL
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Grant Park, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Grant Park, IL
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in January
Grant Park, IL
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in January
Grant Park, IL
- Average snowfall in January: 1.42"
The month with the highest snowfall is January (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Grant Park, IL
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
Grant Park, 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 18min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Grant Park, IL
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Grant Park, 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
Grant Park, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Grant Park, 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).
Grant Park, Illinois, USA
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