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
As La Grange Park enters December, the average high-temperature decreases from the a chilly 46°F (7.8°C) of November to an icy 35.1°F (1.7°C). Night temperatures during December in La Grange Park experience a slight downturn, averaging a freezing cold 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 80%.Rainfall
February, March, November and December are months with the least rain in La Grange Park when the rain falls for 4.3 days and typically aggregates up to 0.39" (10mm) of rain.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 4.5 days. Throughout December, 0.28" (7mm) of snow is accumulated. Throughout the year, there are 26.5 snowfall days, and 4.06" (103mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in La Grange Park, Illinois.On the first day of December in La Grange Park, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:30 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is it in La Grange Park in December?
What is the average humidity in December in La Grange Park?
What is the driest month in La Grange Park?
How many days does it rain in December in La Grange Park?
How many days does it snow in December in La Grange Park?
What is the month with the shortest days in La Grange Park?
How many hours of daylight does La Grange Park have in December?
When are sunrise and sunset in December in La Grange Park?
How long on average sun shines in December in La Grange Park?
When is the lowest UV index in La Grange Park?
What is the UV index reading in December in La Grange Park?
Average temperature in December
La Grange Park, IL
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
La Grange Park, 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
La Grange Park, IL
- Average wind speed in December: 10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in December
La Grange Park, IL
- Average humidity in December: 80%
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
La Grange Park, IL
- Average rainfall in December: 0.39"
The wettest month (with the highest rainfall) is May (1.1").
The driest months (with the least rainfall) are February, March, November and December (0.39").
Average rainfall days in December
La Grange Park, IL
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is June (11.7 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in December
La Grange Park, IL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
La Grange Park, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (7.3 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
La Grange Park, 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 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
La Grange Park, IL
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in December
La Grange Park, IL
- Average UV index in December: 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 December
La Grange Park, 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 27).
Average visibility in December
La Grange Park, 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).
La Grange Park, Illinois, USA
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