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
January, on average, is the coldest month, registering a high temperature 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 Richton Park, Illinois, 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
Months with snowfall are January through April, October through December. The month with the most snowfall in Richton Park is January, when snow falls for 12.6 days and typically aggregates up to 4.53" (115mm) of snow.Daylight
In Richton Park, the average length of the day in January is 9h and 35min.On the first day of January, 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
January has the least sunshine of the year, with an average of 3.6h of sunshine.UV index
In Richton Park, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Keep in mind! Snow's reflective quality can nearly 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 part of the year is the coldest in Richton Park?
How cold is it in Richton Park in January?
What is the most humid month in Richton Park?
What is the average humidity in January in Richton Park?
How many days does it rain in January in Richton Park?
What is the snowiest month in Richton Park?
How much does it snow in Richton Park in January?
How many hours of daylight does Richton Park have in January?
What time are sunrise and sunset in January in Richton Park?
What is the month with the least sunshine in Richton Park?
How many hours of sunshine does Richton Park have in January?
What is the UV index intensity in January in Richton Park?
Average temperature in January
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton 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 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
Richton Park, 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
Richton Park, 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
Richton Park, 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
Richton Park, 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).
Richton Park, Illinois, USA
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