January weather forecastRandolph, IL
January
Weather in January
January, the same as December, in Randolph, Illinois, is a freezing cold winter month, with an average temperature ranging between min 19.8°F (-6.8°C) and max 31.3°F (-0.4°C).Temperature
January brings the lowest temperatures, with an average high of 31.3°F (-0.4°C) and an average low of 19.8°F (-6.8°C).Humidity
In Randolph, the average relative humidity in January is 81%.Rainfall
In Randolph, in January, it is raining for 5.3 days, with typically 0.83" (21mm) of accumulated precipitation. In Randolph, during the entire year, the rain falls for 124.4 days and collects up to 13.23" (336mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 8.5 days and accumulates 1.61" (41mm) of snow.Daylight
The average length of the day in January in Randolph is 9h and 41min.On the first day of the month, sunrise is at 7:18 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:06 am and sunset at 5:12 pm CST.
Sunshine
January has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Randolph, IL
- Average high temperature in January: 31.3°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Randolph, 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
Randolph, IL
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in January
Randolph, 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
Randolph, IL
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in January
Randolph, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Randolph, IL
- Average snowfall in January: 1.61"
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Randolph, IL
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Randolph, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Randolph, IL
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in January
Randolph, 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
Randolph, 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 31).
Average visibility in January
Randolph, 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).
