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
In Cary, the month of January is known for its lowest average temperatures, reaching a high of 27°F (-2.8°C) and a low of 15.3°F (-9.3°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 84%.Rainfall
In Cary, during January, the rain falls for 5.3 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Cary, during the entire year, the rain falls for 151.2 days and collects up to 24.17" (614mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Cary. January is the month with the most snowfall. Snow falls for 13.2 days and accumulates 3.82" (97mm) of snow.Daylight
In Cary, the average length of the day in January is 9h and 31min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:31 pm. On the last day of January, in Cary, sunrise is at 7:07 am and sunset at 5:05 pm CST.
Sunshine
January has the least sunshine of the year in Cary, with an average of 3.6h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Cary. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during January leads to these instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the coldest time of year in Cary?
How cold is it in Cary in January?
What is the most humid month in Cary?
What is the average humidity in January in Cary?
How much does it rain in Cary in January?
When does it snow the most in Cary?
How much does it snow in Cary in January?
How many hours of daylight does Cary have in January?
When is the sunrise / sunset in January in Cary?
What is the month with the least sunshine in Cary?
How many hours of sunshine does Cary have in January?
What is the month with the lowest UV index in Cary?
How high is the UV index in January in Cary?
Average temperature in January
Cary, IL
- Average high temperature in January: 27°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 (27°F).
- Average low temperature in January: 15.3°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in January
Cary, 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
Cary, IL
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in January
Cary, IL
- Average humidity in January: 84%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Cary, IL
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in January
Cary, IL
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in January
Cary, IL
- Average snowfall in January: 3.82"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Cary, IL
- Average snowfall days in January: 13.2 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Cary, 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 month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in January
Cary, IL
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10 days).
Average UV index in January
Cary, IL
- Average UV index in January: 1
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Cary, 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 August and September (Cloud cover 31).
Average visibility in January
Cary, 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).
Cary, Illinois, USA
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