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
With December's onset, the weather shows a temperature decrease, transitioning from a chilly 45.7°F (7.6°C) in November to a wintry 34.5°F (1.4°C). Throughout December, the average low-temperature in Hinsdale records at a subzero cold 25°F (-3.9°C).Humidity
The average relative humidity in December is 81%.Rainfall
The month with the least rainfall in Hinsdale, Illinois, is December, when the rain falls for 4.9 days and typically collects 0.63" (16mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Hinsdale, in December, during 7.2 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, there are 34.9 snowfall days, and 7.2" (183mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Hinsdale.On the first day of December in Hinsdale, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:31 pm CST.
Sunshine
In Hinsdale, Illinois, the average sunshine in December is 4.1h.UV index
In December, the average daily maximum UV index in Hinsdale, Illinois, is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
How cold is December in Hinsdale?
What is the average humidity in December in Hinsdale?
What is the driest month in Hinsdale?
How much does it rain in Hinsdale in December?
How many days does it snow in December in Hinsdale?
What is the month with the shortest days in Hinsdale?
What is the average length of the day in December in Hinsdale?
What time are sunrise and sunset in December in Hinsdale?
How many hours of sunshine does Hinsdale have in December?
What is the UV index reading in December in Hinsdale?
Average temperature in December
Hinsdale, IL
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Hinsdale, IL
- Average pressure in December: 30.09"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
Hinsdale, 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 (6.1mph).
Average humidity in December
Hinsdale, IL
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hinsdale, IL
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in December
Hinsdale, IL
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in December
Hinsdale, IL
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hinsdale, IL
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hinsdale, IL
- Average daylight in December: 9h and 1min
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 December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Hinsdale, IL
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Hinsdale, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Hinsdale, IL
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Hinsdale, IL
- Average visibility in December: 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).
Hinsdale, Illinois, USA
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