December weather forecast
Boody, IL

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Weather in December

The first month of the winter, December, is also a wintry month in Boody, Illinois, with an average temperature varying between 38.5°F (3.6°C) and 27.9°F (-2.3°C).

Temperature

With December's arrival, Boody's weather changes as the average high-temperature falls from a frosty 49.8°F (9.9°C) in November to a wintry 38.5°F (3.6°C). Boody in December experiences a low-temperature average of 27.9°F (-2.3°C).

Humidity

In Boody, Illinois, the average relative humidity in December is 79%.

Rainfall

February and December are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 0.87" (22mm) of rain.

Snowfall

Months with snowfall in Boody are January through April, November and December. In Boody, during December, snow falls for 5.3 days and regularly aggregates up to 0.83" (21mm) of snow. Throughout the year, in Boody, Illinois, there are 23.1 snowfall days, and 5.67" (144mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:58 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine in Boody is 4.6h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boody. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Boody in December?

In December, the average high-temperature and low-temperature in Boody are 38.5°F (3.6°C) and 27.9°F (-2.3°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Boody?

The average relative humidity in December is 79%.

What is the driest month in Boody?

February and December are months with the least rain when the rain falls for 7.1 days and typically aggregates up to 0.87" (22mm) of rain.

How many days does it rain in December in Boody?

In Boody, Illinois, in December, during 7.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in December in Boody?

In December, in Boody, Illinois, it is snowing for 5.3 days. Throughout December, 0.83" (21mm) of snow is accumulated.

What is the month with the shortest days in Boody?

December has the shortest days of the year in Boody, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Boody?

In December, the average day length is 9h and 25min.

When is the sunrise / sunset in December in Boody?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:32 pm. On the last day of the month, in Boody, Illinois, sunrise is at 7:17 am and sunset at 4:41 pm CST.

How long on average sun shines in December in Boody?

The average sunshine duration in December is 4.6h.

When is the lowest UV index in Boody?

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

How high is the UV index in December in Boody?

In Boody, Illinois, 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 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
Boody, IL

Average temperature in December - Boody, IL
  • Average high temperature in December: 38.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 27.9°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in December
Boody, IL

Average pressure in December - Boody, IL
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Boody, IL

Average wind speed in December - Boody, IL
  • Average wind speed in December: 10.1mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in December
Boody, IL

Average humidity in December - Boody, IL
  • Average humidity in December: 79%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Boody, IL

Average rainfall in December - Boody, IL
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are February and December (0.87").

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Average rainfall days in December
Boody, IL

Average rainfall days in December - Boody, IL
  • Average rainfall days in December: 7.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
Boody, IL

Average snowfall in December - Boody, IL
  • Average snowfall in December: 0.83"

The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Boody, IL

Average snowfall days in December - Boody, IL
  • Average snowfall days in December: 5.3 days

The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Boody, IL

Average sunshine days in December - Boody, IL
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.5 days).

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Average UV index in December
Boody, IL

Average UV index in December - Boody, IL
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Boody, IL

Average cloud cover in December - Boody, IL
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in December
Boody, IL

Average visibility in December - Boody, IL
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).

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Boody, Illinois, USA

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