December weather forecast
Wolf Lake, IL

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Weather in December

The first month of the winter, December, is still a chilly month in Wolf Lake, Illinois, with an average temperature ranging between max 44.8°F (7.1°C) and min 32.2°F (0.1°C).

Temperature

Wolf Lake experiences a temperature shift at the start of December, with average high-temperatures adjusting from a cool 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). During December, Wolf Lake's temperature falls to a steady low-temperature average of 32.2°F (0.1°C).

Humidity

In Wolf Lake, Illinois, the average relative humidity in December is 78%.

Rainfall

In Wolf Lake, in December, it is raining for 9.2 days, with typically 1.81" (46mm) of accumulated precipitation. In Wolf Lake, Illinois, during the entire year, the rain falls for 143 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Wolf Lake, in December, during 2.6 snowfall days, 1.1" (28mm) of snow is typically accumulated. Throughout the year, there are 14.9 snowfall days, and 6.06" (154mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 6:54 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:49 pm CST.

Sunshine

In Wolf Lake, the average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The average high-temperature and low-temperature during December are 44.8°F (7.1°C) and 32.2°F (0.1°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is evaluated at 84.2°F (29°C).

What is the average humidity in December in Wolf Lake?

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

How much does it rain in December?

In Wolf Lake, in December, during 9.2 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 2.6 days. Throughout December, 1.1" (28mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Wolf Lake, with an average of 9h and 36min of daylight.

How many hours of daylight does Wolf Lake have in December?

The average day length in December in Wolf Lake is 9h and 38min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:49 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

What is the month with the lowest UV index?

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Wolf Lake, IL

Average temperature in December - Wolf Lake, IL
  • Average high temperature in December: 44.8°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average pressure in December
Wolf Lake, IL

Average pressure in December - Wolf Lake, IL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Wolf Lake, IL

Average wind speed in December - Wolf Lake, IL
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Wolf Lake, IL

Average humidity in December - Wolf Lake, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Wolf Lake, IL

Average rainfall in December - Wolf Lake, IL
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in December
Wolf Lake, IL

Average rainfall days in December - Wolf Lake, IL
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Wolf Lake, IL

Average snowfall in December - Wolf Lake, IL
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Wolf Lake, IL

Average snowfall days in December - Wolf Lake, IL
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (4.6 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
Wolf Lake, IL

Average daylight in December / Average sunshine in December - Wolf Lake, IL
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Wolf Lake, IL

Average sunshine days in December - Wolf Lake, IL
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in December
Wolf Lake, IL

Average UV index in December - Wolf Lake, IL
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Wolf Lake, IL

Average cloud cover in December - Wolf Lake, IL
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).

Average visibility in December
Wolf Lake, IL

Average visibility in December - Wolf Lake, 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).

Wolf Lake, Illinois, USA

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