December weather forecast
Lynn Center, IL

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Weather in December

December, the first month of the winter in Lynn Center, is still a cold month, with an average temperature fluctuating between 24.1°F (-4.4°C) and 34.7°F (1.5°C).

Temperature

As Lynn Center enters December, the average high-temperature decreases from the a chilly 46.9°F (8.3°C) of November to a wintry 34.7°F (1.5°C). The average low-temperature of 24.1°F (-4.4°C) is witnessed during December.

Humidity

The average relative humidity in December is 81%.

Rainfall

The month with the least rainfall is December, when the rain falls for 7.4 days and typically collects 1.26" (32mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Lynn Center, in December, during 7.5 snowfall days, 1.97" (50mm) of snow is typically accumulated. Throughout the year, there are 36.5 snowfall days, and 13.5" (343mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:33 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 1 translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

In December, in Lynn Center, the average high-temperature is 34.7°F (1.5°C), and the average low-temperature is 24.1°F (-4.4°C). In July, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

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

What is the driest month?

December is the month with the least rainfall. Rain falls for 7.4 days and accumulates 1.26" (32mm) of precipitation.

How many days does it rain in December?

In Lynn Center, Illinois, in December, it is raining for 7.4 days, with typically 1.26" (32mm) of accumulated precipitation.

How much does it snow in December?

In Lynn Center, in December, snow falls for 7.5 days, with typically accumulated 1.97" (50mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Lynn Center have in December?

In Lynn Center, Illinois, the average day length in December is 9h and 15min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:42 pm CST.

How many hours of sunshine does Lynn Center have in December?

In Lynn Center, the average sunshine duration in December is 4.3h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a low health risk 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
Lynn Center, IL

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

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in December: 24.1°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 (16.2°F).

Average pressure in December
Lynn Center, IL

Average pressure in December - Lynn 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
Lynn Center, IL

Average wind speed in December - Lynn Center, IL
  • Average wind speed in December: 9.9mph

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
Lynn Center, IL

Average humidity in December - Lynn 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
Lynn Center, IL

Average rainfall in December - Lynn Center, IL
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is December (1.26").

Average rainfall days in December
Lynn Center, IL

Average rainfall days in December - Lynn Center, IL
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).

Average snowfall in December
Lynn Center, IL

Average snowfall in December - Lynn Center, IL
  • Average snowfall in December: 1.97"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lynn Center, IL

Average snowfall days in December - Lynn Center, IL
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Lynn Center, IL

Average daylight in December / Average sunshine in December - Lynn Center, IL
  • Average daylight in December: 9h and 2min

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 18min).

  • 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: 4h and 0min).

Average sunshine days in December
Lynn Center, IL

Average sunshine days in December - Lynn Center, IL
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is May (10.4 days).

Average UV index in December
Lynn Center, IL

Average UV index in December - Lynn Center, IL
  • Average UV index in December: 1

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

Average cloud cover in December
Lynn Center, IL

Average cloud cover in December - Lynn Center, IL
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Lynn Center, IL

Average visibility in December - Lynn 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).

Lynn Center, Illinois, USA

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