December weather forecast
Melrose Park, IL

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Weather in December

December in Melrose Park, Illinois sees winter firmly established with dropping temperatures and increasing snowfall. While the year rounds out with conditions significantly colder than they started, a charming winter landscape is often the reward. Snowfall peaks at 2.52" (64mm) marking a picturesque white Christmas for the residents. The month's temperature falls between an average high of 35.1°F (1.7°C) and a low of 26.6°F (-3°C), making it one of the chilliest periods of the year. Despite the shorter daylight hours and lower sunshine duration, the festive spirit of the holiday season illuminates this winter month.

Temperature

With the beginning of December, the average high-temperature shows a decrease, transitioning from a frosty 45.9°F (7.7°C) in November to a wintry 35.1°F (1.7°C). Melrose Park registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 26.6°F (-3°C) during December.

Humidity

In Melrose Park, Illinois, the average relative humidity in December is 80%.

Rainfall

December is the month with the least rainfall. Rain falls for 8.2 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Melrose Park, in December, snow falls for 8.3 days, with typically accumulated 2.52" (64mm) of snow. In Melrose Park, during the entire year, snow falls for 40.3 days and aggregates up to 16.81" (427mm) of snow.

Daylight

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

Sunshine

In Melrose Park, the average sunshine in December is 4.1h.

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 low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

How cold is December in Melrose Park?

The high-temperature, in December, in Melrose Park, is 35.1°F (1.7°C), while the low-temperature averages to 26.6°F (-3°C).

What is the average humidity in December in Melrose Park?

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

What is the driest month in Melrose Park?

The month with the least rainfall in Melrose Park, Illinois, is December, when the rain falls for 8.2 days and typically collects 1.57" (40mm) of precipitation.

How many days does it rain in December in Melrose Park?

In Melrose Park, Illinois, in December, during 8.2 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How much does it snow in Melrose Park in December?

In December, in Melrose Park, it is snowing for 8.3 days. Throughout December, 2.52" (64mm) of snow is accumulated.

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

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December in Melrose Park?

The average day length in December in Melrose Park, Illinois, is 9h and 11min.

When are sunrise and sunset in December in Melrose Park?

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

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

The average sunshine duration in December is 4.1h.

What are the months with the lowest UV index in Melrose Park?

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

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

In Melrose Park, Illinois, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Melrose Park, IL

Average temperature in December - Melrose Park, IL
  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in December
Melrose Park, IL

Average pressure in December - Melrose 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
Melrose Park, IL

Average wind speed in December - Melrose Park, IL
  • Average wind speed in December: 10.4mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in December
Melrose Park, IL

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

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

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Average rainfall in December
Melrose Park, IL

Average rainfall in December - Melrose Park, IL
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is December (1.57").

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Average rainfall days in December
Melrose Park, IL

Average rainfall days in December - Melrose Park, IL
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in December
Melrose Park, IL

Average snowfall in December - Melrose Park, IL
  • Average snowfall in December: 2.52"

The month with the highest snowfall is February (4.69").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Melrose Park, IL

Average snowfall days in December - Melrose Park, IL
  • Average snowfall days in December: 8.3 days

The month with the highest number of snowfall days is January (10.8 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
Melrose Park, IL

Average daylight in December / Average sunshine in December - Melrose 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Melrose Park, IL

Average sunshine days in December - Melrose Park, IL
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is December (16.7 days).
The month with the least sunshine days is July (9.9 days).

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Average UV index in December
Melrose Park, IL

Average UV index in December - Melrose 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
Melrose Park, IL

Average cloud cover in December - Melrose Park, IL
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Melrose Park, IL

Average visibility in December - Melrose 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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Melrose Park, Illinois, USA

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