January weather forecastRoberts, IL
January
Weather in January
January, the same as December, in Roberts, Illinois, is another subzero cold winter month, with an average temperature ranging between min 19.8°F (-6.8°C) and max 31.5°F (-0.3°C).Temperature
January, with its average high-temperature of 31.5°F (-0.3°C) and an average low-temperature of 19.8°F (-6.8°C), holds the record as the coldest month.Humidity
In January, the average relative humidity is 81%.Rainfall
In Roberts, Illinois, in January, it is raining for 5.8 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 139.8 rainfall days, and 22.05" (560mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Roberts. January is the month with the most snowfall in Roberts. Snow falls for 10.4 days and accumulates 2.83" (72mm) of snow.Daylight
In January, the average length of the day in Roberts is 9h and 40min.On the first day of January, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 5:08 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index in Roberts are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Roberts, IL
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Roberts, IL
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Roberts, IL
- Average wind speed in January: 10.8mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in January
Roberts, IL
- Average humidity in January: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Roberts, IL
- Average rainfall in January: 1.26"
The wettest month (with the highest rainfall) is May (2.91").
The driest months (with the least rainfall) are February and December (1.14").
Average rainfall days in January
Roberts, IL
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in January
Roberts, IL
- Average snowfall in January: 2.83"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Roberts, IL
- Average snowfall days in January: 10.4 days
The month with the highest number of snowfall days is January (10.4 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
Roberts, IL
- Average daylight in January: 9h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
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
Roberts, IL
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in January
Roberts, IL
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Roberts, IL
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in January
Roberts, 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).
