December weather forecast
Villa Grove, IL

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Weather in December

The first month of the winter, December, is still a cold month in Villa Grove, Illinois, with temperature in the range of an average high of 38.5°F (3.6°C) and an average low of 28°F (-2.2°C).

Temperature

Transition into December marks a drop in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in November to a cold 38.5°F (3.6°C). Villa Grove records a consistent low-temperature of 28°F (-2.2°C) during December nights.

Humidity

In Villa Grove, the average relative humidity in December is 80%.

Rainfall

In Villa Grove, during December, the rain falls for 7.7 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 132 rainfall days, and 15.94" (405mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. December is the month with the most snowfall in Villa Grove. Snow falls for 5.7 days and accumulates 1.26" (32mm) 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 the month, sunrise is at 6:55 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:38 pm CST.

Sunshine

In December, the average sunshine in Villa Grove, Illinois, is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Villa Grove. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Villa Grove in December?

In Villa Grove, 38.5°F (3.6°C) is the average high-temperature and 28°F (-2.2°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in December in Villa Grove?

In Villa Grove, Illinois, the average relative humidity in December is 80%.

How many days does it rain in December in Villa Grove?

In Villa Grove, during December, the rain falls for 7.7 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When does it snow the most in Villa Grove?

December is the month with the most snowfall in Villa Grove, Illinois. Snow falls for 5.7 days and accumulates 1.26" (32mm) of snow.

How much does it snow in Villa Grove in December?

In Villa Grove, in December, during 5.7 snowfall days, 1.26" (32mm) of snow is typically accumulated.

What is the month with the shortest days in Villa Grove?

December has the shortest days of the year in Villa Grove, Illinois, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Villa Grove?

The average day length in December in Villa Grove, Illinois, is 9h and 24min.

What time are sunrise and sunset in December in Villa Grove?

On the first day of December in Villa Grove, Illinois, sunrise is at 6:55 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:38 pm CST.

How many hours of sunshine does Villa Grove have in December?

The average sunshine duration in December is 4.6h.

What are the months with the lowest UV index in Villa Grove?

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

What is the UV index reading in December in Villa Grove?

The average daily maximum UV index in December in Villa Grove is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Villa Grove, IL

Average temperature in December - Villa Grove, IL
  • Average high temperature in December: 38.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in December
Villa Grove, IL

Average pressure in December - Villa Grove, IL
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Villa Grove, IL

Average wind speed in December - Villa Grove, IL
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

Average humidity in December
Villa Grove, IL

Average humidity in December - Villa Grove, IL
  • Average humidity in December: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Villa Grove, IL

Average rainfall in December - Villa Grove, IL
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in December
Villa Grove, IL

Average rainfall days in December - Villa Grove, IL
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (6 days).

Average snowfall in December
Villa Grove, IL

Average snowfall in December - Villa Grove, IL
  • Average snowfall in December: 1.26"

The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Villa Grove, IL

Average snowfall days in December - Villa Grove, IL
  • Average snowfall days in December: 5.7 days

The month with the highest number of snowfall days is January (8 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
Villa Grove, IL

Average daylight in December / Average sunshine in December - Villa Grove, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Villa Grove, IL

Average sunshine days in December - Villa Grove, IL
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Villa Grove, IL

Average UV index in December - Villa Grove, 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
Villa Grove, IL

Average cloud cover in December - Villa Grove, IL
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Villa Grove, IL

Average visibility in December - Villa Grove, 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).

Villa Grove, Illinois, USA

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