January weather forecastBlackstone, IL
January
Weather in January
January, the same as December, in Blackstone, Illinois, is a freezing cold winter month, with an average temperature ranging between min 17.8°F (-7.9°C) and max 29.5°F (-1.4°C).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 29.5°F (-1.4°C) to a low of 17.8°F (-7.9°C).Humidity
In Blackstone, the average relative humidity in January is 82%.Rainfall
In Blackstone, in January, during 5.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 145 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Blackstone. In Blackstone, Illinois, in January, during 11.8 snowfall days, 2.87" (73mm) of snow is typically accumulated. Throughout the year, there are 37.9 snowfall days, and 12.91" (328mm) of snow is accumulated.Daylight
In January, the average length of the day in Blackstone, Illinois, is 9h and 37min.On the first day of January in Blackstone, sunrise is at 7:19 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:09 pm CST.
Sunshine
The month with the least sunshine in Blackstone, Illinois, is January, with an average of 3.8h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Blackstone. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: During January, 1 as the daily maximum UV index converts into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Blackstone, IL
- Average high temperature in January: 29.5°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
Blackstone, 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 (29.92"Hg).
Average wind speed in January
Blackstone, IL
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Blackstone, IL
- Average humidity in January: 82%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Blackstone, IL
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in January
Blackstone, IL
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in January
Blackstone, IL
- Average snowfall in January: 2.87"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Blackstone, IL
- Average snowfall days in January: 11.8 days
The month with the highest number of snowfall days is January (11.8 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
Blackstone, IL
- Average daylight in January: 9h and 36min
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 48min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Blackstone, IL
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in January
Blackstone, 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
Blackstone, IL
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in January
Blackstone, 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).
