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 November transitions to December, the average high-temperature falls from a frosty 45.5°F (7.5°C) to an icy 34°F (1.1°C). December generally records an average low-temperature of 23.5°F (-4.7°C).Humidity
In Eldena, the average relative humidity in December is 83%.Rainfall
In Eldena, in December, it is raining for 5.9 days, with typically 0.83" (21mm) of accumulated precipitation. In Eldena, Illinois, during the entire year, the rain falls for 129.4 days and collects up to 16.65" (423mm) of precipitation.Snowfall
Months with snowfall in Eldena are January through April, October through December. In Eldena, during December, snow falls for 8 days and regularly aggregates up to 1.1" (28mm) of snow. In Eldena, during the entire year, snow falls for 36.1 days and aggregates up to 6.97" (177mm) of snow.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 7:06 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:37 pm CST.
Sunshine
In Eldena, the average sunshine in December is 4.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
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 in Eldena?
How much does it rain in Eldena in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Eldena?
How many hours of sunshine does Eldena have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Eldena, IL
- Average high temperature in December: 34°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 (27.5°F).
- Average low temperature in December: 23.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Eldena, 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 (29.91"Hg).
Average wind speed in December
Eldena, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Eldena, IL
- Average humidity in December: 83%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Eldena, IL
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Eldena, IL
- Average rainfall days in December: 5.9 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Eldena, IL
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Eldena, IL
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.4 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
Eldena, 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 June and July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Eldena, IL
- Average sunshine days in December: 18.8 days
The months with the most sunshine days are November and December (18.8 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in December
Eldena, IL
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Eldena, IL
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in December
Eldena, 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).
Eldena, Illinois, USA
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