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
In the transition to December, Gibson City observes a drop in the average high-temperature, moving from a chilly 47.8°F (8.8°C) in November to a wintry 36.5°F (2.5°C). In Gibson City, December nights witness a steady temperature drop to a subzero cold 27°F (-2.8°C).Humidity
The average relative humidity in December is 80%.Rainfall
February and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 0.75" (19mm) of rain.Snowfall
Months with snowfall in Gibson City, Illinois, are January through April, October through December. In Gibson City, in December, during 6.5 snowfall days, 0.83" (21mm) of snow is typically accumulated. Throughout the year, there are 29.4 snowfall days, and 4.69" (119mm) of snow is accumulated.Daylight
December has the shortest days of the year in Gibson City, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:37 pm CST.
Sunshine
In Gibson City, the average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index in Gibson City, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, an average UV index of 1 transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is December in Gibson City?
What is the average humidity in December in Gibson City?
What is the driest month in Gibson City?
How much does it rain in Gibson City in December?
How much does it snow in Gibson City in December?
What is the month with the shortest days in Gibson City?
What is the average length of the day in December in Gibson City?
What time are sunrise and sunset in December in Gibson City?
How long on average sun shines in December in Gibson City?
What is the month with the lowest UV index in Gibson City?
What is the UV index intensity in December in Gibson City?
Average temperature in December
Gibson City, IL
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in December
Gibson City, IL
- Average pressure in December: 30.11"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
Gibson City, IL
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Gibson City, 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 (71%).
Average rainfall in December
Gibson City, IL
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (1.93").
The driest months (with the least rainfall) are February and December (0.75").
Average rainfall days in December
Gibson City, IL
- Average rainfall days in December: 6.1 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Gibson City, IL
- Average snowfall in December: 0.83"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Gibson City, IL
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.3 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
Gibson City, 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 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Gibson City, 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 (10.3 days).
Average UV index in December
Gibson City, IL
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Gibson City, IL
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Gibson City, 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).
Gibson City, Illinois, USA
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