December weather forecast
Franklin Park, IL

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Weather in December

December, the first month of the winter in Franklin Park, is also an icy month, with an average temperature varying between 34.7°F (1.5°C) and 25.5°F (-3.6°C).

Temperature

A shift in Franklin Park's weather is observed as November turns into December, with the average high temperature reducing from a frosty 45.5°F (7.5°C) to a cold 34.7°F (1.5°C). In Franklin Park, an average low-temperature of 25.5°F (-3.6°C) is recorded during December nights.

Humidity

The average relative humidity in December in Franklin Park is 80%.

Rainfall

December is the month with the least rainfall. Rain falls for 7.1 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, in Franklin Park, it is snowing for 10.1 days. Throughout December, 1.69" (43mm) of snow is accumulated. In Franklin Park, during the entire year, snow falls for 44.8 days and aggregates up to 12.83" (326mm) of snow.

Daylight

The month with the shortest days in Franklin Park is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of December, in Franklin Park, sunrise is at 7:19 am and sunset at 4:30 pm CST.

Sunshine

In December, the average sunshine in Franklin Park is 4h.

UV index

The months with the lowest UV index in Franklin Park are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is it in Franklin Park in December?

The high-temperature, in December, in Franklin Park, records 34.7°F (1.5°C), while the low-temperature is 25.5°F (-3.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in December in Franklin Park?

The average relative humidity in December is 80%.

What is the driest month in Franklin Park?

The month with the least rainfall in Franklin Park, Illinois, is December, when the rain falls for 7.1 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in Franklin Park in December?

In December, in Franklin Park, Illinois, the rain falls for 7.1 days. Throughout December, 0.91" (23mm) of precipitation is accumulated.

How much does it snow in Franklin Park in December?

In Franklin Park, in December, snow falls for 10.1 days, with typically accumulated 1.69" (43mm) of snow.

What is the month with the shortest days in Franklin Park?

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

How many hours of daylight does Franklin Park have in December?

In December, the average day length in Franklin Park, Illinois, is 9h and 11min.

What time are sunrise and sunset in December in Franklin Park?

In December, on the first day of the month, sunrise is at 7:00 am and sunset at 4:21 pm. On the last day of the month, in Franklin Park, Illinois, sunrise is at 7:19 am and sunset at 4:30 pm CST.

How many hours of sunshine does Franklin Park have in December?

In December, the average sunshine duration is 4h.

What is the month with the lowest UV index in Franklin Park?

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

What is the UV index intensity in December in Franklin Park?

In Franklin Park, Illinois, the average daily maximum UV index in December is 1. A UV Index 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
Franklin Park, IL

Average temperature in December - Franklin Park, IL
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in December
Franklin Park, IL

Average pressure in December - Franklin Park, 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
Franklin Park, IL

Average wind speed in December - Franklin Park, IL
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Franklin Park, IL

Average humidity in December - Franklin Park, IL
  • Average humidity in December: 80%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Franklin Park, IL

Average rainfall in December - Franklin Park, IL
  • Average rainfall in December: 0.91"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (0.91").

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Average rainfall days in December
Franklin Park, IL

Average rainfall days in December - Franklin Park, IL
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in December
Franklin Park, IL

Average snowfall in December - Franklin Park, IL
  • Average snowfall in December: 1.69"

The month with the highest snowfall is February (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Franklin Park, IL

Average snowfall days in December - Franklin Park, IL
  • Average snowfall days in December: 10.1 days

The month with the highest number of snowfall days is January (11.7 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
Franklin Park, IL

Average daylight in December / Average sunshine in December - Franklin Park, 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 0min

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 42min).

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Average sunshine days in December
Franklin Park, IL

Average sunshine days in December - Franklin Park, IL
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in December
Franklin Park, IL

Average UV index in December - Franklin Park, 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).

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Average cloud cover in December
Franklin Park, IL

Average cloud cover in December - Franklin Park, IL
  • Average cloud cover in December: 59

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in December
Franklin Park, IL

Average visibility in December - Franklin Park, 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).

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Franklin Park, Illinois, USA

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