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 shift in Urbana's weather is observed as November turns into December, with the average high temperature reducing from a chilly 49.1°F (9.5°C) to an icy 37.6°F (3.1°C). During December, the average low-temperature is a subzero cold 27.7°F (-2.4°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 7 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Urbana, during the entire year, the rain falls for 129.9 days and collects up to 18.15" (461mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Urbana, in December, during 5.9 snowfall days, 1.1" (28mm) of snow is typically accumulated. In Urbana, during the entire year, snow falls for 27.1 days and aggregates up to 5.91" (150mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:56 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Urbana?
What time are sunrise and sunset in December?
How many hours of sunshine does Urbana have in December?
When is the lowest UV index in Urbana?
What is the UV index reading in December in Urbana?
Average temperature in December
Urbana, IL
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.7°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Urbana, IL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Urbana, IL
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Urbana, IL
- Average humidity in December: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Urbana, IL
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Urbana, IL
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is May (15.3 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in December
Urbana, IL
- Average snowfall in December: 1.1"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Urbana, IL
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (8.7 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
Urbana, 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 3min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Urbana, IL
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Urbana, 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
Urbana, IL
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in December
Urbana, 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).
Urbana, Illinois, USA
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