December weather forecast
Coyne Center, IL

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Weather in December

December, the first month of the winter in Coyne Center, is still a cold month, with temperature in the range of an average high of 34.7°F (1.5°C) and an average low of 23.9°F (-4.5°C).

Temperature

December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 47.1°F (8.4°C) to a wintry 34.7°F (1.5°C). Coyne Center throughout December, records an average low-temperature of 23.9°F (-4.5°C).

Humidity

In Coyne Center, Illinois, the average relative humidity in December is 81%.

Rainfall

The month with the least rainfall is December, when the rain falls for 3.2 days and typically collects 0.24" (6mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Coyne Center, in December, snow falls for 3.7 days, with typically accumulated 0.16" (4mm) of snow. Throughout the year, there are 18.4 snowfall days, and 2.64" (67mm) of snow is accumulated.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

In Coyne Center, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

How cold is December?

In December, in Coyne Center, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 23.9°F (-4.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 86°F (30°C).

What is the average humidity in December?

In Coyne Center, the average relative humidity in December is 81%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 3.2 days and typically collects 0.24" (6mm) of precipitation.

How many days does it rain in December?

In Coyne Center, Illinois, in December, it is raining for 3.2 days, with typically 0.24" (6mm) of accumulated precipitation.

How many days does it snow in December?

In Coyne Center, in December, during 3.7 snowfall days, 0.16" (4mm) of snow is typically accumulated.

What is the month with the shortest days in Coyne Center?

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

What is the average length of the day in December?

The average day length in December is 9h and 14min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.3h.

How high is the UV index in December?

In Coyne Center, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Coyne Center, IL

Average temperature in December - Coyne Center, IL
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16°F).

Average pressure in December
Coyne Center, IL

Average pressure in December - Coyne Center, IL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Coyne Center, IL

Average wind speed in December - Coyne Center, IL
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in December
Coyne Center, IL

Average humidity in December - Coyne Center, IL
  • Average humidity in December: 81%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Coyne Center, IL

Average rainfall in December - Coyne Center, IL
  • Average rainfall in December: 0.24"

The wettest month (with the highest rainfall) is May (0.94").
The driest month (with the least rainfall) is December (0.24").

Average rainfall days in December
Coyne Center, IL

Average rainfall days in December - Coyne Center, IL
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is January (1.8 days).

Average snowfall in December
Coyne Center, IL

Average snowfall in December - Coyne Center, IL
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Coyne Center, IL

Average snowfall days in December - Coyne Center, IL
  • Average snowfall days in December: 3.7 days

The month with the highest number of snowfall days is January (5.5 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
Coyne Center, IL

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

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 12min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Coyne Center, IL

Average sunshine days in December - Coyne Center, IL
  • Average sunshine days in December: 25.8 days

The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is June (15.4 days).

Average UV index in December
Coyne Center, IL

Average UV index in December - Coyne Center, IL
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in December
Coyne Center, IL

Average cloud cover in December - Coyne Center, IL
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Coyne Center, IL

Average visibility in December - Coyne Center, 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).

Coyne Center, Illinois, USA

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