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
The month of January, characterized by an average high of 27.9°F (-2.3°C) and a low of 16.7°F (-8.5°C), is recognized as the coldest.Humidity
January and February, with an average relative humidity of 83%, are the most humid months in Glendale Heights.Rainfall
In Glendale Heights, in January, during 4.1 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Glendale Heights, there are 119.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
Months with snowfall in Glendale Heights are January through April, October through December. January is the month with the most snowfall in Glendale Heights. Snow falls for 9.3 days and accumulates 1.5" (38mm) of snow.Daylight
The average length of the day in January in Glendale Heights, Illinois, is 9h and 32min.On the first day of the month, sunrise is at 7:19 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:05 am and sunset at 5:05 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.7h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the UV index of 1 transforms into the following advice:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the coldest month in Glendale Heights?
How cold is January in Glendale Heights?
What is the most humid month in Glendale Heights?
What is the average humidity in January in Glendale Heights?
How much does it rain in Glendale Heights in January?
When does it snow the most in Glendale Heights?
How much does it snow in Glendale Heights in January?
What is the average length of the day in January in Glendale Heights?
When are sunrise and sunset in January in Glendale Heights?
What is the month with the least sunshine in Glendale Heights?
How many hours of sunshine does Glendale Heights have in January?
What are the months with the lowest UV index in Glendale Heights?
What is the UV index intensity in January in Glendale Heights?
Average temperature in January
Glendale Heights, IL
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in January: 16.7°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 (16.7°F).
Average pressure in January
Glendale Heights, 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
Glendale Heights, IL
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in January
Glendale Heights, IL
- Average humidity in January: 83%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Glendale Heights, IL
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days in January
Glendale Heights, IL
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Glendale Heights, IL
- Average snowfall in January: 1.5"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Glendale Heights, IL
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glendale Heights, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Glendale Heights, IL
- Average sunshine days in January: 19.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Glendale Heights, IL
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Glendale Heights, IL
- Average cloud cover in January: 61
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in January
Glendale Heights, IL
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Glendale Heights, Illinois, USA
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