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
The onset of December introduces a moderate change in Carmi's weather, with average high-temperatures falling from November's fresh 53.6°F (12°C) to a frosty 43.5°F (6.4°C). An average low-temperature of 32.2°F (0.1°C) is observed during December nights.Humidity
In December, the average relative humidity in Carmi is 78%.Rainfall
In Carmi, in December, it is raining for 6.2 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Carmi, Illinois, there are 100.2 rainfall days, and 8.7" (221mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Carmi. In Carmi, during December, snow falls for 1.9 days and regularly aggregates up to 0.12" (3mm) of snow. In Carmi, during the entire year, snow falls for 10.1 days and aggregates up to 0.91" (23mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:50 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Carmi during December?
What is the average humidity in December in Carmi?
How much does it rain in Carmi in December?
How much does it snow in Carmi in December?
What is the month with the shortest days in Carmi?
What is the average length of the day in December in Carmi?
When is the sunrise / sunset in December in Carmi?
How many hours of sunshine does Carmi have in December?
What is the month with the lowest UV index in Carmi?
What is the UV index intensity in December in Carmi?
Average temperature in December
Carmi, IL
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Carmi, IL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Carmi, IL
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Carmi, IL
- Average humidity in December: 78%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Carmi, IL
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is April (1.06").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in December
Carmi, IL
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in December
Carmi, IL
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Carmi, IL
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Carmi, IL
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Carmi, IL
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is October (23.4 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in December
Carmi, IL
- Average UV index in December: 2
The months with the highest UV index are May, 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
Carmi, IL
- Average cloud cover in December: 50
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in December
Carmi, 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).
Carmi, Illinois, USA
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