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 frosty 47.1°F (8.4°C) in November to a cold 35.6°F (2°C). Minooka experiences a nighttime temperature average of 25.2°F (-3.8°C) during December.Humidity
In Minooka, the average relative humidity in December is 82%.Rainfall
In Minooka, Illinois, in December, during 8.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Minooka, during the entire year, the rain falls for 154.5 days and collects up to 32.68" (830mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 7.6 days. Throughout December, 2.36" (60mm) of snow is accumulated. Throughout the year, there are 36.3 snowfall days, and 14.53" (369mm) 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 December in Minooka, sunrise is at 7:00 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:33 pm CST.
Sunshine
In December, the average sunshine is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Minooka?
What is the average length of the day in December?
When are sunrise and sunset in December in Minooka?
How many hours of sunshine does Minooka have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Minooka, IL
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 25.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in December
Minooka, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Minooka, IL
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Minooka, IL
- Average humidity in December: 82%
The months with the highest relative humidity are February, July and August (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Minooka, IL
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in December
Minooka, IL
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in December
Minooka, IL
- Average snowfall in December: 2.36"
The month with the highest snowfall is January (4.17").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Minooka, IL
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (11.3 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
Minooka, 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 months with the most sunshine are June, July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Minooka, IL
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Minooka, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Minooka, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Minooka, IL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Minooka, Illinois, USA
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