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
The coldest period tends to be January, when average temperatures fluctuate between a high of 29.5°F (-1.4°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 in Blue Island.Rainfall
In January, in Blue Island, the rain falls for 6.2 days. Throughout January, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Blue Island, Illinois, in January, snow falls for 11.8 days, with typically accumulated 2.72" (69mm) of snow. Throughout the year, in Blue Island, there are 42.4 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
In Blue Island, the average length of the day in January is 9h and 34min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:03 am and sunset at 5:04 pm CST.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Blue Island.UV index
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: The UV index of 2 during January leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Blue Island?
How cold is it in Blue Island in January?
What are the most humid months in Blue Island?
What is the average humidity in January in Blue Island?
How many days does it rain in January in Blue Island?
How much does it snow in Blue Island in January?
What is the average length of the day in January in Blue Island?
When are sunrise and sunset in January in Blue Island?
What is the month with the least sunshine in Blue Island?
How long on average sun shines in January in Blue Island?
What is the UV index reading in January in Blue Island?
Average temperature in January
Blue Island, 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: 18.9°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Blue Island, 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
Blue Island, IL
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Blue Island, 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 (72%).
Average rainfall in January
Blue Island, IL
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in January
Blue Island, IL
- Average rainfall days in January: 6.2 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in January
Blue Island, IL
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Blue Island, 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
Blue Island, IL
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
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 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Blue Island, IL
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Blue Island, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Blue Island, 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 28).
Average visibility in January
Blue Island, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Blue Island, Illinois, USA
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