January weather forecastStreator, IL
January
Weather in January
January, the same as December, in Streator, Illinois, is a freezing cold winter month, with an average temperature ranging between max 29.5°F (-1.4°C) and min 17.8°F (-7.9°C).Temperature
January, with its average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 17.8°F (-7.9°C), holds the record as the coldest month.Humidity
The average relative humidity in January is 82%.Rainfall
In Streator, during January, the rain falls for 5.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 145 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Streator, in January, during 11.8 snowfall days, 2.87" (73mm) of snow is typically accumulated. In Streator, during the entire year, snow falls for 37.9 days and aggregates up to 12.91" (328mm) of snow.Daylight
The average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:20 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:10 pm CST.
Sunshine
January has the least sunshine of the year in Streator, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in January translates into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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
Streator, 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).
