December weather forecast
Cameron, IL

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Weather in December

The first month of the winter, December, is also an icy month in Cameron, Illinois, with an average temperature ranging between min 24.6°F (-4.1°C) and max 35.6°F (2°C).

Temperature

Cameron in December experiences a subtle temperature decline, with average high-temperatures reducing from a chilly 47.5°F (8.6°C) in November to a cold 35.6°F (2°C). In December, the average low-temperature is a subzero cold 24.6°F (-4.1°C).

Humidity

The average relative humidity in December in Cameron is 80%.

Rainfall

In Cameron, in December, during 7.5 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Cameron, during the entire year, the rain falls for 149.4 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Cameron. In Cameron, in December, snow falls for 8.2 days, with typically accumulated 2.2" (56mm) of snow. In Cameron, during the entire year, snow falls for 36.7 days and aggregates up to 15.31" (389mm) of snow.

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 7:07 am and sunset at 4:34 pm. On the last day of December, in Cameron, sunrise is at 7:26 am and sunset at 4:44 pm CST.

Sunshine

In December, the average sunshine in Cameron is 4.5h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

How cold is December in Cameron?

The high-temperature in Cameron, Illinois, during December is 35.6°F (2°C) and the low-temperature is 24.6°F (-4.1°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 86°F (30°C).

What is the average humidity in December in Cameron?

In December, the average relative humidity is 80%.

How much does it rain in Cameron in December?

In Cameron, during December, the rain falls for 7.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How many days does it snow in December in Cameron?

In Cameron, in December, snow falls for 8.2 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days in Cameron?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

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

In December, the average day length is 9h and 18min.

When is the sunrise / sunset in December in Cameron?

On the first day of December in Cameron, Illinois, sunrise is at 7:07 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:44 pm CST.

How many hours of sunshine does Cameron have in December?

In December, the average sunshine duration in Cameron, Illinois, is 4.5h.

What is the UV index reading in December in Cameron?

In December, the average daily maximum UV index in Cameron, Illinois, is 2. A UV Index of 2, and less, symbolizes 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
Cameron, IL

Average temperature in December - Cameron, IL
  • Average high temperature in December: 35.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 24.6°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 (17.6°F).

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Average pressure in December
Cameron, IL

Average pressure in December - Cameron, IL
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Cameron, IL

Average wind speed in December - Cameron, IL
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in December
Cameron, IL

Average humidity in December - Cameron, IL
  • Average humidity in December: 80%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Cameron, IL

Average rainfall in December - Cameron, IL
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Cameron, IL

Average rainfall days in December - Cameron, IL
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
Cameron, IL

Average snowfall in December - Cameron, IL
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (4.61").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Cameron, IL

Average snowfall days in December - Cameron, IL
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is January (10.9 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
Cameron, IL

Average daylight in December / Average sunshine in December - Cameron, 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 3min

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

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Average sunshine days in December
Cameron, IL

Average sunshine days in December - Cameron, IL
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in December
Cameron, IL

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

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

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Average cloud cover in December
Cameron, IL

Average cloud cover in December - Cameron, IL
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in December
Cameron, IL

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

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

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Cameron, Illinois, USA

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