December weather forecastNew Athens, IL
December
Weather in December
The first month of the winter, December, is also a frosty month in New Athens, Illinois, with an average temperature fluctuating between 43.3°F (6.3°C) and 31.1°F (-0.5°C).Temperature
As December arrives, New Athens's weather displays a decrease in high-temperatures, transitioning from November's cool 53.6°F (12°C) to a frosty 43.3°F (6.3°C). During the month of December, the temperature in New Athens, Illinois, generally drops to a low average of 31.1°F (-0.5°C).Humidity
In New Athens, the average relative humidity in December is 77%.Rainfall
In December, in New Athens, Illinois, the rain falls for 8.9 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 154.1 rainfall days, and 35.28" (896mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in New Athens. In New Athens, in December, snow falls for 3.3 days, with typically accumulated 0.87" (22mm) of snow. In New Athens, during the entire year, snow falls for 18.2 days and aggregates up to 6.38" (162mm) of snow.Daylight
The month with the shortest days in New Athens is December, with an average of 9h and 30min of daylight.On the first day of December in New Athens, sunrise is at 6:58 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:49 pm CST.
Sunshine
The average sunshine in December in New Athens is 4.9h.UV index
The months with the lowest UV index in New Athens, Illinois, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Athens, IL
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
New Athens, IL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
New Athens, IL
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
New Athens, IL
- Average humidity in December: 77%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
New Athens, IL
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
New Athens, IL
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
New Athens, IL
- Average snowfall in December: 0.87"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
New Athens, IL
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
New Athens, IL
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 4h and 54min
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 36min).
Average sunshine days in December
New Athens, IL
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
New Athens, 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
New Athens, IL
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in December
New Athens, 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).
