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, known for its average high temperature of 28.8°F (-1.8°C) and an average low temperature of 18.9°F (-7.3°C), is the coldest month.Humidity
The most humid month is January, with an average relative humidity of 82%.Rainfall
In January, the rain falls for 4.2 days. Throughout January, 0.39" (10mm) of precipitation is accumulated. Throughout the year, there are 98.2 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Niles, in January, snow falls for 8.3 days, with typically accumulated 0.83" (21mm) of snow. Throughout the year, there are 28.5 snowfall days, and 3.07" (78mm) of snow is accumulated.Daylight
In Niles, the average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:05 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.UV index
The months with the lowest UV index in Niles are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 1 during January translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Niles have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Niles have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Niles, IL
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Niles, 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
Niles, IL
- Average wind speed in January: 11.1mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in January
Niles, IL
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Niles, IL
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is May (1.06").
The driest month (with the least rainfall) is December (0.31").
Average rainfall days in January
Niles, IL
- Average rainfall days in January: 4.2 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in January
Niles, IL
- Average snowfall in January: 0.83"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Niles, IL
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Niles, IL
- Average daylight in January: 9h and 3min
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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Niles, IL
- Average sunshine days in January: 22.9 days
The month with the most sunshine days is December (23.3 days).
The month with the least sunshine days is June (14.7 days).
Average UV index in January
Niles, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Niles, IL
- Average cloud cover in January: 62
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in January
Niles, 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).
Niles, Illinois, USA
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