December weather forecast
Elburn, IL

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Weather in December

The first month of the winter, December, is still a cold month in Elburn, Illinois, with an average temperature fluctuating between 34.2°F (1.2°C) and 23.7°F (-4.6°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to a cold 34.2°F (1.2°C). Elburn, during the month of December, experiences an average low-temperature of 23.7°F (-4.6°C).

Humidity

The average relative humidity in December is 82%.

Rainfall

The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

Months with snowfall in Elburn are January through May, October through December. In Elburn, during December, snow falls for 9.1 days and regularly aggregates up to 2.64" (67mm) of snow. In Elburn, during the entire year, snow falls for 44.6 days and aggregates up to 15.2" (386mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:02 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:32 pm CST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Elburn, records 34.2°F (1.2°C), while the low-temperature is 23.7°F (-4.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in December?

In Elburn, the average relative humidity in December is 82%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 7.8 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in December?

In Elburn, Illinois, in December, it is raining for 7.8 days, with typically 1.57" (40mm) of accumulated precipitation.

How much does it snow in December?

In Elburn, during December, snow falls for 9.1 days and regularly aggregates up to 2.64" (67mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Elburn have in December?

In Elburn, the average day length in December is 9h and 11min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:02 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:32 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Elburn, IL

Average temperature in December - Elburn, IL
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in December: 23.7°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

Average pressure in December
Elburn, IL

Average pressure in December - Elburn, IL
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Elburn, IL

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

The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in December
Elburn, IL

Average humidity in December - Elburn, IL
  • Average humidity in December: 82%

The months with the highest relative humidity are January, July and August (84%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Elburn, IL

Average rainfall in December - Elburn, IL
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is December (1.57").

Average rainfall days in December
Elburn, IL

Average rainfall days in December - Elburn, IL
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (6 days).

Average snowfall in December
Elburn, IL

Average snowfall in December - Elburn, IL
  • Average snowfall in December: 2.64"

The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Elburn, IL

Average snowfall days in December - Elburn, IL
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Elburn, IL
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Elburn, IL

Average sunshine days in December - Elburn, IL
  • Average sunshine days in December: 15.7 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in December
Elburn, IL

Average UV index in December - Elburn, IL
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Elburn, IL

Average cloud cover in December - Elburn, IL
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).

Average visibility in December
Elburn, IL

Average visibility in December - Elburn, IL
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Elburn, Illinois, USA

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