December weather forecast
Eagarville, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Eagarville, Illinois, with an average temperature varying between 40.3°F (4.6°C) and 29.1°F (-1.6°C).

Temperature

Eagarville experiences a temperature shift at the start of December, with average high-temperatures adjusting from a cool 51.6°F (10.9°C) in November to a wintry 40.3°F (4.6°C). Eagarville's temperature in December lowers to a consistent average of 29.1°F (-1.6°C) during the nights.

Humidity

The average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 6.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Eagarville, Illinois, there are 121.4 rainfall days, and 14.72" (374mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. December is the month with the most snowfall in Eagarville. Snow falls for 3.8 days and accumulates 0.98" (25mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Eagarville, sunrise is at 6:59 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:46 pm CST.

Sunshine

In Eagarville, the average sunshine in December is 4.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Eagarville. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Eagarville during December?

The average high-temperature and low-temperature in Eagarville during December are 40.3°F (4.6°C) and 29.1°F (-1.6°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Eagarville?

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

How much does it rain in Eagarville in December?

In Eagarville, Illinois, in December, during 6.7 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

When does it snow the most in Eagarville?

December is the month with the most snowfall. Snow falls for 3.8 days and accumulates 0.98" (25mm) of snow.

How many days does it snow in December in Eagarville?

In December, in Eagarville, Illinois, it is snowing for 3.8 days. Throughout December, 0.98" (25mm) of snow is accumulated.

What is the month with the shortest days in Eagarville?

December has the shortest days of the year in Eagarville, with an average of 9h and 30min of daylight.

How many hours of daylight does Eagarville have in December?

In December, the average day length in Eagarville is 9h and 28min.

When are sunrise and sunset in December in Eagarville?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:36 pm. On the last day of the month, in Eagarville, sunrise is at 7:18 am and sunset at 4:46 pm CST.

How many hours of sunshine does Eagarville have in December?

In December, the average sunshine duration in Eagarville is 4.8h.

What are the months with the lowest UV index in Eagarville?

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

How high is the UV index in December in Eagarville?

In December, the average daily maximum UV index in Eagarville, Illinois, is 2. A UV Index reading of 2, and below, represents 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
Eagarville, IL

Average temperature in December - Eagarville, IL
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 29.1°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in December
Eagarville, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Eagarville, IL

Average wind speed in December - Eagarville, IL
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in December
Eagarville, IL

Average humidity in December - Eagarville, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Eagarville, IL

Average rainfall in December - Eagarville, IL
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days in December
Eagarville, IL

Average rainfall days in December - Eagarville, IL
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in December
Eagarville, IL

Average snowfall in December - Eagarville, IL
  • Average snowfall in December: 0.98"

The month with the highest snowfall is December (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Eagarville, IL

Average snowfall days in December - Eagarville, IL
  • Average snowfall days in December: 3.8 days

The month with the highest number of snowfall days is January (6.3 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
Eagarville, IL

Average daylight in December / Average sunshine in December - Eagarville, IL
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in December
Eagarville, IL

Average sunshine days in December - Eagarville, IL
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in December
Eagarville, IL

Average UV index in December - Eagarville, 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
Eagarville, IL

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

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).

Average visibility in December
Eagarville, IL

Average visibility in December - Eagarville, 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).

Eagarville, Illinois, USA

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