December weather forecast
DePue, IL

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Weather in December

The first month of the winter, December, is still a cold month in DePue, Illinois, with an average temperature fluctuating between 24.4°F (-4.2°C) and 34.7°F (1.5°C).

Temperature

December is characterized by a reduction in the average high-temperature, from a chilly 46.8°F (8.2°C) in November to an icy 34.7°F (1.5°C). DePue's December nights cool down to an average low-temperature of 24.4°F (-4.2°C).

Humidity

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

Rainfall

January and December are months with the least rain in DePue when the rain falls for 7.5 days and typically aggregates up to 1.61" (41mm) of rain.

Snowfall

January through April, October through December are months with snowfall. In DePue, during December, snow falls for 8 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, in DePue, Illinois, there are 39.5 snowfall days, and 15.31" (389mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:04 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:38 pm CST.

Sunshine

The average sunshine in December is 4.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in DePue. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 1 in December transforms into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in DePue in December?

The average high-temperature and low-temperature in DePue during December are 34.7°F (1.5°C) and 24.4°F (-4.2°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 86°F (30°C).

What is the average humidity in December in DePue?

The average relative humidity in December in DePue is 82%.

What is the driest month in DePue?

January and December are months with the least rain when the rain falls for 7.5 days and typically aggregates up to 1.61" (41mm) of rain.

How many days does it rain in December in DePue?

In December, the rain falls for 7.5 days. Throughout December, 1.61" (41mm) of precipitation is accumulated.

How many days does it snow in December in DePue?

In DePue, Illinois, in December, snow falls for 8 days, with typically accumulated 2.6" (66mm) of snow.

What is the month with the shortest days in DePue?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

How many hours of daylight does DePue have in December?

The average day length in December in DePue is 9h and 15min.

When are sunrise and sunset in December in DePue?

On the first day of December in DePue, sunrise is at 7:04 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:38 pm CST.

How many hours of sunshine does DePue have in December?

In DePue, the average sunshine duration in December is 4.2h.

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

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

How high is the UV index in December in DePue?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
DePue, IL

Average temperature in December - DePue, IL
  • Average high temperature in December: 34.7°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 (28.9°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

Average pressure in December
DePue, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
DePue, IL

Average wind speed in December - DePue, IL
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
DePue, IL

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

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
DePue, IL

Average rainfall in December - DePue, IL
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

Average rainfall days in December
DePue, IL

Average rainfall days in December - DePue, IL
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in December
DePue, IL

Average snowfall in December - DePue, IL
  • Average snowfall in December: 2.6"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
DePue, IL

Average snowfall days in December - DePue, IL
  • Average snowfall days in December: 8 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - DePue, IL
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
DePue, IL

Average sunshine days in December - DePue, IL
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in December
DePue, IL

Average UV index in December - DePue, 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
DePue, IL

Average cloud cover in December - DePue, IL
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

Average visibility in December
DePue, IL

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

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

DePue, Illinois, USA

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