December weather forecast
Whittington, IL

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Weather in December

December, the first month of the winter in Whittington, is also a frosty month, with an average temperature ranging between min 31.3°F (-0.4°C) and max 43.5°F (6.4°C).

Temperature

December ushers in a slight temperature change, with average high-temperatures reducing from November's fresh 53.2°F (11.8°C) to a chilly 43.5°F (6.4°C). Throughout December, the average low-temperature in Whittington, Illinois, dips to a freezing cold 31.3°F (-0.4°C).

Humidity

In Whittington, Illinois, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 7.8 days. Throughout December, 1.02" (26mm) of precipitation is accumulated. In Whittington, Illinois, during the entire year, the rain falls for 122.7 days and collects up to 18.03" (458mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Whittington, Illinois, in December, snow falls for 2.8 days, with typically accumulated 0.63" (16mm) of snow. In Whittington, Illinois, during the entire year, snow falls for 14.5 days and aggregates up to 2.64" (67mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:36 pm. On the last day of December, in Whittington, sunrise is at 7:11 am and sunset at 4:46 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Whittington. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

Is it cold in Whittington during December?

In Whittington, 43.5°F (6.4°C) is the average high-temperature and 31.3°F (-0.4°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 96.8°F (36°C).

What is the average humidity in December in Whittington?

The average relative humidity in December is 77%.

How much does it rain in Whittington in December?

In Whittington, Illinois, during December, the rain falls for 7.8 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in Whittington in December?

In Whittington, Illinois, during December, snow falls for 2.8 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Whittington?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

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

In Whittington, Illinois, the average day length in December is 9h and 34min.

When are sunrise and sunset in December in Whittington?

On the first day of December in Whittington, sunrise is at 6:53 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:46 pm CST.

How long on average sun shines in December in Whittington?

The average sunshine duration in December is 4.7h.

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

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

How high is the UV index in December in Whittington?

In December, the average daily maximum UV index in Whittington, Illinois, is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Whittington, IL

Average temperature in December - Whittington, IL
  • Average high temperature in December: 43.5°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in December
Whittington, IL

Average pressure in December - Whittington, 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
Whittington, IL

Average wind speed in December - Whittington, IL
  • Average wind speed in December: 9mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in December
Whittington, IL

Average humidity in December - Whittington, IL
  • Average humidity in December: 77%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Whittington, IL

Average rainfall in December - Whittington, IL
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").

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Average rainfall days in December
Whittington, IL

Average rainfall days in December - Whittington, IL
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Whittington, IL

Average snowfall in December - Whittington, IL
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Whittington, IL

Average snowfall days in December - Whittington, IL
  • Average snowfall days in December: 2.8 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Whittington, IL
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 4h and 4min

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

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Average sunshine days in December
Whittington, IL

Average sunshine days in December - Whittington, IL
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in December
Whittington, IL

Average UV index in December - Whittington, 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, November and December (UV index 2).

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Average cloud cover in December
Whittington, IL

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

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in December
Whittington, IL

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

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