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
Onset of December comes with a temperature decline, the average high falling from a cool 53.4°F (11.9°C) in November to a chilly 43°F (6.1°C). In the month of December, Freeburg experiences an average low-temperature of 30.7°F (-0.7°C).Humidity
In December, the average relative humidity in Freeburg, Illinois, is 77%.Rainfall
In Freeburg, Illinois, in December, during 5.3 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 104.2 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Freeburg. In Freeburg, during December, snow falls for 2.6 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Freeburg, there are 12.9 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Freeburg.On the first day of December in Freeburg, Illinois, 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
In December, the average sunshine is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Freeburg, Illinois. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold does it get in Freeburg in December?
What is the average humidity in December in Freeburg?
How many days does it rain in December in Freeburg?
How many days does it snow in December in Freeburg?
What is the month with the shortest days in Freeburg?
What is the average length of the day in December in Freeburg?
When is the sunrise / sunset in December in Freeburg?
How long on average sun shines in December in Freeburg?
What is the month with the lowest UV index in Freeburg?
What is the UV index intensity in December in Freeburg?
Average temperature in December
Freeburg, IL
- Average high temperature in December: 43°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 (38.1°F).
- Average low temperature in December: 30.7°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°F).
Average pressure in December
Freeburg, 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
Freeburg, IL
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Freeburg, IL
- Average humidity in December: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Freeburg, IL
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is May (1.34").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in December
Freeburg, IL
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is July (12.2 days).
The month with the least rainy days is December (5.3 days).
Average snowfall in December
Freeburg, IL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Freeburg, IL
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (4.3 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
Freeburg, IL
- Average daylight in December: 9h and 3min
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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Freeburg, IL
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in December
Freeburg, 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 and December (UV index 2).
Average cloud cover in December
Freeburg, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in December
Freeburg, 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).
Freeburg, Illinois, USA
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