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 is the coldest month, with the temperature often reaching an average high of 27.9°F (-2.3°C) and an average low of 17.4°F (-8.1°C).Humidity
January and February, with an average relative humidity of 82%, are the most humid months in Rolling Meadows.Rainfall
In Rolling Meadows, during January, the rain falls for 6.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Rolling Meadows, there are 142.7 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Rolling Meadows, in January, snow falls for 13.1 days, with typically accumulated 5.67" (144mm) of snow. Throughout the year, there are 48.8 snowfall days, and 21.02" (534mm) of snow is accumulated.Daylight
In January, the average length of the day in Rolling Meadows is 9h and 32min.On the first day of January, sunrise is at 7:20 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:04 pm CST.
Sunshine
January has the least sunshine of the year in Rolling Meadows, with an average of 3.7h of sunshine.UV index
In Rolling Meadows, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What month is the coldest in Rolling Meadows?
How cold is January in Rolling Meadows?
What is the most humid month in Rolling Meadows?
What is the average humidity in January in Rolling Meadows?
How many days does it rain in January in Rolling Meadows?
How many days does it snow in January in Rolling Meadows?
What is the average length of the day in January in Rolling Meadows?
What time are sunrise and sunset in January in Rolling Meadows?
What is the month with the least sunshine in Rolling Meadows?
How long on average sun shines in January in Rolling Meadows?
How high is the UV index in January in Rolling Meadows?
Average temperature in January
Rolling Meadows, IL
- Average high temperature in January: 27.9°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 (27.9°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Rolling Meadows, 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
Rolling Meadows, IL
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in January
Rolling Meadows, IL
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Rolling Meadows, IL
- Average rainfall in January: 1.73"
The wettest months (with the highest rainfall) are April and May (3.46").
The driest month (with the least rainfall) is November (1.57").
Average rainfall days in January
Rolling Meadows, IL
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Rolling Meadows, IL
- Average snowfall in January: 5.67"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rolling Meadows, IL
- Average snowfall days in January: 13.1 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Rolling Meadows, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Rolling Meadows, IL
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Rolling Meadows, IL
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Rolling Meadows, 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 30).
Average visibility in January
Rolling Meadows, IL
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Rolling Meadows, Illinois, USA
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