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
December's onset corresponds with a shift in the average high-temperature, moving from a frosty 45.7°F (7.6°C) in November to a wintry 34.5°F (1.4°C). During December, the nighttime temperature averages to a freezing cold 24.6°F (-4.1°C).Humidity
In Lisle, the average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Lisle. In Lisle, during December, snow falls for 9.9 days and regularly aggregates up to 2.01" (51mm) of snow. In Lisle, during the entire year, snow falls for 44.8 days and aggregates up to 12.32" (313mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:22 pm. On the last day of December, in Lisle, sunrise is at 7:19 am and sunset at 4:31 pm CST.
Sunshine
In Lisle, the average sunshine in December is 4.2h.UV index
The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
How cold is it in Lisle in December?
What is the average humidity in December in Lisle?
What is the driest month in Lisle?
How much does it rain in Lisle in December?
How many days does it snow in December in Lisle?
What is the month with the shortest days in Lisle?
How many hours of daylight does Lisle have in December?
When is the sunrise / sunset in December in Lisle?
How many hours of sunshine does Lisle have in December?
What is the UV index intensity in December in Lisle?
Average temperature in December
Lisle, IL
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 24.6°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Lisle, 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
Lisle, 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
Lisle, IL
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Lisle, IL
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days in December
Lisle, IL
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in December
Lisle, IL
- Average snowfall in December: 2.01"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lisle, IL
- Average snowfall days in December: 9.9 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lisle, 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
Lisle, IL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Lisle, 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
Lisle, 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 31).
Average visibility in December
Lisle, IL
- Average visibility in December: 6mi
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).
Lisle, Illinois, USA
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