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
Roscoe's January weather reaches an average high of 25.5°F (-3.6°C) and an average low of 13.5°F (-10.3°C), making it the coldest month.Humidity
With an average relative humidity of 86%, January is the most humid month in Roscoe.Rainfall
In January, in Roscoe, the rain falls for 3.8 days. Throughout January, 0.59" (15mm) of precipitation is accumulated. In Roscoe, during the entire year, the rain falls for 123.8 days and collects up to 14.49" (368mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall. Snow falls for 10.3 days and accumulates 1.93" (49mm) of snow.Daylight
In January, the average length of the day in Roscoe is 9h and 30min.On the first day of January in Roscoe, sunrise is at 7:25 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:08 pm CST.
Sunshine
January and February, with an average of 3.6h of sunshine, are months with the least sunshine in Roscoe.UV index
The months with the lowest UV index 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 ordinary individuals.Note: A maximum UV index of 1 in January translates into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Roscoe?
How cold is it in Roscoe in January?
What is the most humid month in Roscoe?
What is the average humidity in January in Roscoe?
How many days does it rain in January in Roscoe?
What is the snowiest month in Roscoe?
How much does it snow in Roscoe in January?
How many hours of daylight does Roscoe have in January?
When is the sunrise / sunset in January in Roscoe?
What is the month with the least sunshine in Roscoe?
How many hours of sunshine does Roscoe have in January?
What are the months with the lowest UV index in Roscoe?
What is the UV index reading in January in Roscoe?
Average temperature in January
Roscoe, IL
- Average high temperature in January: 25.5°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Roscoe, IL
- Average pressure in January: 30.11"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Roscoe, IL
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in January
Roscoe, IL
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Roscoe, IL
- Average rainfall in January: 0.59"
The wettest month (with the highest rainfall) is June (2.2").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in January
Roscoe, IL
- Average rainfall days in January: 3.8 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Roscoe, IL
- Average snowfall in January: 1.93"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Roscoe, IL
- Average snowfall days in January: 10.3 days
The month with the highest number of snowfall days is January (10.3 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
Roscoe, 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 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in January
Roscoe, IL
- Average sunshine days in January: 17.8 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in January
Roscoe, IL
- Average UV index in January: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Roscoe, IL
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in January
Roscoe, IL
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Roscoe, Illinois, USA
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