December weather forecastAddieville, IL
December
Weather in December
December, the first month of the winter in Addieville, is also a frosty month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 42.8°F (6°C).Temperature
Addieville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 53.1°F (11.7°C) to a frosty 42.8°F (6°C). Addieville experiences an average low-temperature of 30.7°F (-0.7°C) in month of December.Humidity
In December, the average relative humidity in Addieville is 78%.Rainfall
In Addieville, during December, the rain falls for 9.2 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Addieville, Illinois, there are 166.8 rainfall days, and 37.83" (961mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. In December, it is snowing for 4.5 days. Throughout December, 1.3" (33mm) of snow is accumulated. In Addieville, Illinois, during the entire year, snow falls for 23.2 days and aggregates up to 7.87" (200mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:47 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Addieville, Illinois, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Addieville, IL
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Addieville, 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 (29.93"Hg).
Average wind speed in December
Addieville, IL
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Addieville, IL
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Addieville, IL
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days in December
Addieville, IL
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall in December
Addieville, IL
- Average snowfall in December: 1.3"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Addieville, IL
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Addieville, 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 48min
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
Addieville, IL
- Average sunshine days in December: 17 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Addieville, 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
Addieville, IL
- Average cloud cover in December: 49
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Addieville, 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).
