December weather forecast
Gibsonia, IL

Share

Weather in December

December, the first month of the winter in Gibsonia, is still a chilly month, with an average temperature ranging between max 44.6°F (7°C) and min 32.9°F (0.5°C).

Temperature

In December, the average high-temperature decreases from a fresh 54.1°F (12.3°C) in November to a chilly 44.6°F (7°C). Throughout December nights, Gibsonia registers an average low-temperature of 32.9°F (0.5°C).

Humidity

In Gibsonia, the average relative humidity in December is 78%.

Rainfall

In Gibsonia, during December, the rain falls for 10.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in Gibsonia, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In December, in Gibsonia, it is snowing for 3.5 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, in Gibsonia, there are 15.9 snowfall days, and 3.58" (91mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:34 pm. On the last day of December, in Gibsonia, sunrise is at 7:07 am and sunset at 4:44 pm CST.

Sunshine

In Gibsonia, the average sunshine in December is 4.7h.

UV index

The months with the lowest UV index 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 exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

How cold does it get in Gibsonia in December?

The average high-temperature, in December, in Gibsonia, is 44.6°F (7°C), while the average low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 95°F (35°C).

What is the average humidity in December in Gibsonia?

In December, the average relative humidity in Gibsonia, Illinois, is 78%.

How much does it rain in Gibsonia in December?

In December, in Gibsonia, Illinois, the rain falls for 10.4 days. Throughout December, 2.05" (52mm) of precipitation is accumulated.

How much does it snow in Gibsonia in December?

In December, in Gibsonia, Illinois, it is snowing for 3.5 days. Throughout December, 0.63" (16mm) of snow is accumulated.

What is the month with the shortest days in Gibsonia?

With an average of 9h and 36min of daylight, December has the shortest days of the year in Gibsonia, Illinois.

What is the average length of the day in December in Gibsonia?

In Gibsonia, Illinois, the average day length in December is 9h and 37min.

What time are sunrise and sunset in December in Gibsonia?

On the first day of December, sunrise is at 6:49 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:44 pm CST.

How long on average sun shines in December in Gibsonia?

The average sunshine duration in December in Gibsonia is 4.7h.

What is the month with the lowest UV index in Gibsonia?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Gibsonia, Illinois.

How high is the UV index in December in Gibsonia?

The average daily maximum UV index in December in Gibsonia, Illinois, is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gibsonia, IL

Average temperature in December - Gibsonia, IL
  • Average high temperature in December: 44.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.9°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 (26.8°F).

[Resources]

Average pressure in December
Gibsonia, IL

Average pressure in December - Gibsonia, 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 (29.95"Hg).

[Resources]

Average wind speed in December
Gibsonia, IL

Average wind speed in December - Gibsonia, IL
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

[Resources]

Average humidity in December
Gibsonia, IL

Average humidity in December - Gibsonia, 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 (70%).

[Resources]

Average rainfall in December
Gibsonia, IL

Average rainfall in December - Gibsonia, IL
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

[Resources]

Average rainfall days in December
Gibsonia, IL

Average rainfall days in December - Gibsonia, IL
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

[Resources]

Average snowfall in December
Gibsonia, IL

Average snowfall in December - Gibsonia, IL
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Gibsonia, IL

Average snowfall days in December - Gibsonia, IL
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Gibsonia, IL

Average daylight in December / Average sunshine in December - Gibsonia, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

[Resources]

Average sunshine days in December
Gibsonia, IL

Average sunshine days in December - Gibsonia, IL
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

[Resources]

Average UV index in December
Gibsonia, IL

Average UV index in December - Gibsonia, 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).

[Resources]

Average cloud cover in December
Gibsonia, IL

Average cloud cover in December - Gibsonia, IL
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

[Resources]

Average visibility in December
Gibsonia, IL

Average visibility in December - Gibsonia, 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).

[Resources]

Gibsonia, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location