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 December arrives, Coalton's weather displays a decrease in high-temperatures, transitioning from November's fresh 51.3°F (10.7°C) to a cold 40.1°F (4.5°C). Coalton records an average low of 28.8°F (-1.8°C) throughout the nights in December.Humidity
In December, the average relative humidity is 78%.Rainfall
In Coalton, in December, during 7.6 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, in Coalton, there are 145.5 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
Months with snowfall in Coalton are January through April, November and December. In Coalton, during December, snow falls for 5.3 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, in Coalton, there are 23.9 snowfall days, and 8.58" (218mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Coalton.On the first day of December, sunrise is at 6:58 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:44 pm CST.
Sunshine
In Coalton, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Coalton are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
Is December cold in Coalton?
What is the average humidity in December in Coalton?
How many days does it rain in December in Coalton?
How much does it snow in Coalton in December?
What is the month with the shortest days in Coalton?
How many hours of daylight does Coalton have in December?
When are sunrise and sunset in December in Coalton?
How long on average sun shines in December in Coalton?
When is the lowest UV index in Coalton?
What is the UV index reading in December in Coalton?
Average temperature in December
Coalton, IL
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
Coalton, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Coalton, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Coalton, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Coalton, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (3.5").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in December
Coalton, IL
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Coalton, IL
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Coalton, IL
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (7.4 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
Coalton, IL
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Coalton, IL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Coalton, IL
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Coalton, IL
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July and September (Cloud cover 29).
Average visibility in December
Coalton, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Coalton, Illinois, USA
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