December weather forecast
East Dundee, IL

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Weather in December

The first month of the winter, December, is also a wintry month in East Dundee, Illinois, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 33.4°F (0.8°C).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 45.1°F (7.3°C) in November to an icy 33.4°F (0.8°C). During December, the average low-temperature is a freezing cold 23.4°F (-4.8°C).

Humidity

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

Rainfall

December is the month with the least rainfall in East Dundee. Rain falls for 8.1 days and accumulates 1.1" (28mm) of precipitation.

Snowfall

Months with snowfall in East Dundee are January through May, October through December. In East Dundee, in December, snow falls for 10.5 days, with typically accumulated 2.2" (56mm) of snow. Throughout the year, in East Dundee, there are 47.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

The month with the shortest days is December, 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 4:22 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:31 pm CST.

Sunshine

In East Dundee, Illinois, the average sunshine in December is 3.9h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 1 in December translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is it in East Dundee in December?

The average high-temperature and low-temperature in East Dundee, Illinois, during December are 33.4°F (0.8°C) and 23.4°F (-4.8°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), 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 East Dundee?

The average relative humidity in December is 82%.

What is the driest month in East Dundee?

December is the month with the least rainfall. Rain falls for 8.1 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain in December in East Dundee?

In East Dundee, in December, during 8.1 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

How many days does it snow in December in East Dundee?

In East Dundee, Illinois, in December, during 10.5 snowfall days, 2.2" (56mm) of snow is typically accumulated.

What is the month with the shortest days in East Dundee?

With an average of 9h and 12min of daylight, December has the shortest days of the year in East Dundee, Illinois.

How many hours of daylight does East Dundee have in December?

The average day length in December in East Dundee, Illinois, is 9h and 10min.

When is the sunrise / sunset in December in East Dundee?

On the first day of December, sunrise is at 7:02 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:31 pm CST.

How many hours of sunshine does East Dundee have in December?

In East Dundee, Illinois, the average sunshine duration in December is 3.9h.

What are the months with the lowest UV index in East Dundee?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in East Dundee, Illinois.

How high is the UV index in December in East Dundee?

The average daily maximum UV index in December in East Dundee is 1. A UV Index reading of 2, and below, represents 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
East Dundee, IL

Average temperature in December - East Dundee, IL
  • Average high temperature in December: 33.4°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 (27.3°F).

  • Average low temperature in December: 23.4°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

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Average pressure in December
East Dundee, IL

Average pressure in December - East Dundee, IL
  • Average pressure in December: 30.09"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).

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Average wind speed in December
East Dundee, IL

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

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in December
East Dundee, IL

Average humidity in December - East Dundee, IL
  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
East Dundee, IL

Average rainfall in December - East Dundee, IL
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is June (3.03").
The driest month (with the least rainfall) is December (1.1").

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Average rainfall days in December
East Dundee, IL

Average rainfall days in December - East Dundee, IL
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (4.9 days).

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Average snowfall in December
East Dundee, IL

Average snowfall in December - East Dundee, IL
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
East Dundee, IL

Average snowfall days in December - East Dundee, IL
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
East Dundee, IL

Average daylight in December / Average sunshine in December - East Dundee, 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: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in December
East Dundee, IL

Average sunshine days in December - East Dundee, IL
  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in December
East Dundee, IL

Average UV index in December - East Dundee, IL
  • Average UV index in December: 1

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

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Average cloud cover in December
East Dundee, IL

Average cloud cover in December - East Dundee, IL
  • Average cloud cover in December: 60

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in December
East Dundee, IL

Average visibility in December - East Dundee, IL
  • Average visibility in December: 6mi

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

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East Dundee, Illinois, USA

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