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
December brings a minor decrease, with the average high-temperature reducing from a frosty 45.5°F (7.5°C) in November to an icy 33.1°F (0.6°C). Dixon experiences a steady low-temperature of 23.2°F (-4.9°C) throughout December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Dixon, Illinois, during December, the rain falls for 7.6 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Dixon, during the entire year, the rain falls for 151 days and collects up to 31.06" (789mm) of precipitation.Snowfall
Months with snowfall in Dixon are January through April, October through December. In Dixon, in December, snow falls for 8.9 days, with typically accumulated 2.64" (67mm) of snow. Throughout the year, in Dixon, Illinois, there are 43.4 snowfall days, and 16.06" (408mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Dixon.On the first day of December in Dixon, sunrise is at 7:06 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine in Dixon is 4h.UV index
The months with the lowest UV index in Dixon are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 1 in December leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Dixon?
What is the average humidity in December in Dixon?
How much does it rain in Dixon in December?
How much does it snow in Dixon in December?
What is the month with the shortest days in Dixon?
How many hours of daylight does Dixon have in December?
When is the sunrise / sunset in December in Dixon?
How many hours of sunshine does Dixon have in December?
When is the lowest UV index in Dixon?
How high is the UV index in December in Dixon?
Average temperature in December
Dixon, IL
- Average high temperature in December: 33.1°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (26.8°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in December
Dixon, 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
Dixon, IL
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Dixon, IL
- Average humidity in December: 83%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Dixon, IL
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is May (4.65").
The driest months (with the least rainfall) are January and February (1.57").
Average rainfall days in December
Dixon, IL
- Average rainfall days in December: 7.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
Dixon, IL
- Average snowfall in December: 2.64"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dixon, IL
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (12.4 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
Dixon, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Dixon, IL
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in December
Dixon, IL
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Dixon, IL
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Dixon, IL
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Dixon, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location