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
Onset of December comes with a temperature decline, the average high falling from a chilly 45.5°F (7.5°C) in November to a wintry 33.6°F (0.9°C). In the month of December, the temperature generally rests at an average low of 23°F (-5°C).Humidity
In Coleta, the average relative humidity in December is 82%.Rainfall
In December, the rain falls for 7.3 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Coleta, during the entire year, the rain falls for 145.1 days and collects up to 27.2" (691mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Coleta, during December, snow falls for 9.7 days and regularly aggregates up to 3.11" (79mm) of snow. In Coleta, during the entire year, snow falls for 42.3 days and aggregates up to 15.59" (396mm) of snow.Daylight
The month with the shortest days in Coleta, Illinois, is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:38 pm CST.
Sunshine
In December, the average sunshine is 4.1h.UV index
In Coleta, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Coleta?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Coleta have in December?
What is the UV index reading in December?
Average temperature in December
Coleta, IL
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in December: 23°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Coleta, IL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Coleta, IL
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Coleta, IL
- Average humidity in December: 82%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Coleta, IL
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in December
Coleta, IL
- Average rainfall days in December: 7.3 days
The months with the highest number of rainy days are May and June (17.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in December
Coleta, IL
- Average snowfall in December: 3.11"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Coleta, IL
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coleta, 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 July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Coleta, IL
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Coleta, IL
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Coleta, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Coleta, 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).
Coleta, Illinois, USA
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