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
Stepping into December, Palos Park observes a temperature decline, with the average high falling from November's chilly 46.8°F (8.2°C) to a cold 35.4°F (1.9°C). In the month of December, the nighttime temperature dips to a steady average of 25.5°F (-3.6°C).Humidity
In Palos Park, the average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall. Rain falls for 6.9 days and accumulates 1.06" (27mm) of precipitation.Snowfall
Months with snowfall in Palos Park are January through April, October through December. In December, it is snowing for 9.4 days. Throughout December, 1.61" (41mm) of snow is accumulated. Throughout the year, in Palos Park, there are 44.2 snowfall days, and 11.38" (289mm) of snow is accumulated.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 6:59 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:31 pm CST.
Sunshine
The average sunshine in December in Palos Park is 4.1h.UV index
December is the month with the lowest UV index in Palos Park, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Palos Park?
What is the average humidity in December in Palos Park?
What is the driest month in Palos Park?
How many days does it rain in December in Palos Park?
How many days does it snow in December in Palos Park?
What is the month with the shortest days in Palos Park?
What is the average length of the day in December in Palos Park?
When are sunrise and sunset in December in Palos Park?
How many hours of sunshine does Palos Park have in December?
When is the lowest UV index in Palos Park?
What is the UV index reading in December in Palos Park?
Average temperature in December
Palos Park, IL
- Average high temperature in December: 35.4°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: 25.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Palos 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
Palos Park, IL
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Palos Park, 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
Palos Park, IL
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days in December
Palos Park, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in December
Palos Park, IL
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Palos Park, IL
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (11.8 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
Palos 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Palos Park, IL
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Palos Park, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Palos 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 30).
Average visibility in December
Palos 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).
Palos Park, Illinois, USA
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