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
Park Forest experiences its lowest temperatures in January, with an average peak of 29.7°F (-1.3°C) and a low of 18.9°F (-7.3°C).Humidity
January and February, with an average relative humidity of 82%, are the most humid months.Rainfall
In Park Forest, in January, it is raining for 6.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 155.6 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Park Forest. January is the month with the most snowfall. Snow falls for 12.6 days and accumulates 4.53" (115mm) of snow.Daylight
The average length of the day in January is 9h and 35min.On the first day of January in Park Forest, sunrise is at 7:17 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:04 pm CST.
Sunshine
With an average of 3.6h of sunshine, January has the least sunshine of the year in Park Forest.UV index
The average daily maximum UV index in January in Park Forest, Illinois, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the coldest time of year in Park Forest?
How cold is it in Park Forest in January?
What are the most humid months in Park Forest?
What is the average humidity in January in Park Forest?
How many days does it rain in January in Park Forest?
When does it snow the most in Park Forest?
How much does it snow in Park Forest in January?
What is the average length of the day in January in Park Forest?
What time are sunrise and sunset in January in Park Forest?
What is the month with the least sunshine in Park Forest?
How many hours of sunshine does Park Forest have in January?
What is the UV index reading in January in Park Forest?
Average temperature in January
Park Forest, IL
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Park Forest, 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
Park Forest, IL
- Average wind speed in January: 10.2mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Park Forest, IL
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Park Forest, IL
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").
Average rainfall days in January
Park Forest, IL
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in January
Park Forest, 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
Park Forest, IL
- Average snowfall days in January: 12.6 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Park Forest, 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: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Park Forest, IL
- Average sunshine days in January: 13 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).
Average UV index in January
Park Forest, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Park Forest, 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 30).
Average visibility in January
Park Forest, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Park Forest, Illinois, USA
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