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
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 50°F (10°C) in November to an icy 38.5°F (3.6°C). Throughout the month of December, Athens reports a steady low-temperature average of 27.7°F (-2.4°C).Humidity
In Athens, the average relative humidity in December is 78%.Rainfall
In Athens, in December, during 6.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Athens, Illinois, during the entire year, the rain falls for 132.4 days and collects up to 21.89" (556mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Athens. In December, it is snowing for 4.9 days. Throughout December, 0.94" (24mm) of snow is accumulated. Throughout the year, in Athens, there are 23.3 snowfall days, and 7.64" (194mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Athens, Illinois, sunrise is at 7:02 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Athens, Illinois, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Athens?
What is the average humidity in December in Athens?
How much does it rain in Athens in December?
How many days does it snow in December in Athens?
What is the month with the shortest days in Athens?
What is the average length of the day in December in Athens?
When are sunrise and sunset in December in Athens?
How long on average sun shines in December in Athens?
What are the months with the lowest UV index in Athens?
What is the UV index intensity in December in Athens?
Average temperature in December
Athens, IL
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Athens, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Athens, IL
- Average wind speed in December: 9.8mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Athens, IL
- Average humidity in December: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Athens, IL
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in December
Athens, IL
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Athens, IL
- Average snowfall in December: 0.94"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Athens, IL
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.9 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
Athens, IL
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Athens, IL
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
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
Athens, IL
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in December
Athens, IL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Athens, Illinois, USA
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