December weather forecast
Addieville, IL

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Weather in December

December, the first month of the winter in Addieville, is also a frosty month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 42.8°F (6°C).

Temperature

Addieville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 53.1°F (11.7°C) to a frosty 42.8°F (6°C). Addieville experiences an average low-temperature of 30.7°F (-0.7°C) in month of December.

Humidity

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

Rainfall

In Addieville, during December, the rain falls for 9.2 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Addieville, Illinois, there are 166.8 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, September, November and December. In December, it is snowing for 4.5 days. Throughout December, 1.3" (33mm) of snow is accumulated. In Addieville, Illinois, during the entire year, snow falls for 23.2 days and aggregates up to 7.87" (200mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:47 pm CST.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index in Addieville, Illinois, are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Addieville in December?

An average high-temperature, in December, in Addieville, is 42.8°F (6°C) and the average low-temperature is 30.7°F (-0.7°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, is evaluated at 95°F (35°C).

What is the average humidity in December in Addieville?

In December, the average relative humidity is 78%.

How many days does it rain in December in Addieville?

In Addieville, Illinois, during December, the rain falls for 9.2 days and regularly aggregates up to 2.56" (65mm) of precipitation.

How many days does it snow in December in Addieville?

In December, in Addieville, it is snowing for 4.5 days. Throughout December, 1.3" (33mm) of snow is accumulated.

What is the month with the shortest days in Addieville?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Addieville, Illinois.

How many hours of daylight does Addieville have in December?

In December, the average day length in Addieville is 9h and 32min.

What time are sunrise and sunset in December in Addieville?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:47 pm CST.

How many hours of sunshine does Addieville have in December?

The average sunshine duration in December in Addieville, Illinois, is 4.8h.

What is the month with the lowest UV index in Addieville?

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

What is the UV index intensity in December in Addieville?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Addieville, IL

Average temperature in December - Addieville, IL
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 30.7°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in December
Addieville, IL

Average pressure in December - Addieville, 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 (29.93"Hg).

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Average wind speed in December
Addieville, IL

Average wind speed in December - Addieville, IL
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in December
Addieville, IL

Average humidity in December - Addieville, IL
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Addieville, IL

Average rainfall in December - Addieville, IL
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").

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Average rainfall days in December
Addieville, IL

Average rainfall days in December - Addieville, IL
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).

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Average snowfall in December
Addieville, IL

Average snowfall in December - Addieville, IL
  • Average snowfall in December: 1.3"

The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in December
Addieville, IL

Average snowfall days in December - Addieville, IL
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Addieville, IL

Average daylight in December / Average sunshine in December - Addieville, IL
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in December
Addieville, IL

Average sunshine days in December - Addieville, IL
  • Average sunshine days in December: 17 days

The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in December
Addieville, IL

Average UV index in December - Addieville, 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).

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Average cloud cover in December
Addieville, IL

Average cloud cover in December - Addieville, IL
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in December
Addieville, IL

Average visibility in December - Addieville, 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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Addieville, Illinois, USA

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