Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
During Homer Glen's transition into December, the average high-temperature lessens, moving from a frosty 46.9°F (8.3°C) in November to a wintry 34.9°F (1.6°C). Homer Glen encounters an average low-temperature of 25°F (-3.9°C) during December nights.Humidity
In December, the average relative humidity in Homer Glen, Illinois, is 81%.Rainfall
In Homer Glen, in December, it is raining for 4.5 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 103.8 rainfall days, and 10.08" (256mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Homer Glen, Illinois, in December, during 6.3 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Homer Glen, during the entire year, snow falls for 30.8 days and aggregates up to 4.02" (102mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:22 pm. On the last day of December, in Homer Glen, sunrise is at 7:18 am and sunset at 4:31 pm CST.
Sunshine
In Homer Glen, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 1 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Homer Glen in December?
What is the average humidity in December in Homer Glen?
How many days does it rain in December in Homer Glen?
How much does it snow in Homer Glen in December?
What is the month with the shortest days in Homer Glen?
How many hours of daylight does Homer Glen have in December?
When are sunrise and sunset in December in Homer Glen?
How many hours of sunshine does Homer Glen have in December?
What are the months with the lowest UV index in Homer Glen?
What is the UV index intensity in December in Homer Glen?
Average temperature in December
Homer Glen, IL
- Average high temperature in December: 34.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Homer Glen, IL
- Average pressure in December: 30.1"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 December
Homer Glen, IL
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Homer Glen, IL
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Homer Glen, IL
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in December
Homer Glen, IL
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in December
Homer Glen, IL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Homer Glen, IL
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Homer Glen, IL
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Homer Glen, IL
- Average sunshine days in December: 22.3 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Homer Glen, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Homer Glen, IL
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Homer Glen, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Homer Glen, Illinois, USA
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