December weather forecast
Coon Rapids, IA

Weather in December

The first month of the winter, December, is still a freezing cold month in Coon Rapids, Iowa, with an average temperature fluctuating between 20.8°F (-6.2°C) and 31.8°F (-0.1°C).

Temperature

In December, the average high-temperature decreases from a chilly 45.9°F (7.7°C) in November to a freezing cold 31.8°F (-0.1°C). In December, in Coon Rapids, the average low-temperature is 20.8°F (-6.2°C).

Humidity

In Coon Rapids, the average relative humidity in December is 80%.

Rainfall

In Coon Rapids, during December, the rain falls for 5 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Coon Rapids, during the entire year, the rain falls for 130.1 days and collects up to 27.28" (693mm) of precipitation.

Snowfall

Months with snowfall in Coon Rapids, Iowa, are January through May, October through December. In December, it is snowing for 9.9 days. Throughout December, 4.02" (102mm) of snow is accumulated. Throughout the year, in Coon Rapids, there are 44.8 snowfall days, and 19.8" (503mm) of snow is accumulated.

Daylight

With an average of 9h and 11min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:57 pm CST.

Sunshine

In Coon Rapids, the average sunshine in December is 4.8h.

UV index

In Coon Rapids, Iowa, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Coon Rapids?

The average relative humidity in December is 80%.

How many days does it rain in December in Coon Rapids?

In Coon Rapids, during December, the rain falls for 5 days and regularly aggregates up to 1.65" (42mm) of precipitation.

How many days does it snow in December in Coon Rapids?

In Coon Rapids, during December, snow falls for 9.9 days and regularly aggregates up to 4.02" (102mm) of snow.

What is the month with the shortest days in Coon Rapids?

With an average of 9h and 11min of daylight, December has the shortest days of the year in Coon Rapids.

What is the average length of the day in December in Coon Rapids?

In December, the average day length is 9h and 11min.

When is the sunrise / sunset in December in Coon Rapids?

On the first day of December, sunrise is at 7:26 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:57 pm CST.

How many hours of sunshine does Coon Rapids have in December?

The average sunshine duration in December is 4.8h.

How high is the UV index in December in Coon Rapids?

In December, the average daily maximum UV index in Coon Rapids is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Coon Rapids, IA

Average temperature in December - Coon Rapids, IA
  • Average high temperature in December: 31.8°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 (26.2°F).

  • Average low temperature in December: 20.8°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in December
Coon Rapids, IA

Average pressure in December - Coon Rapids, IA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Coon Rapids, IA

Average wind speed in December - Coon Rapids, IA
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

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Average humidity in December
Coon Rapids, IA

Average humidity in December - Coon Rapids, IA
  • Average humidity in December: 80%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (69%).

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Average rainfall in December
Coon Rapids, IA

Average rainfall in December - Coon Rapids, IA
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in December
Coon Rapids, IA

Average rainfall days in December - Coon Rapids, IA
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in December
Coon Rapids, IA

Average snowfall in December - Coon Rapids, IA
  • Average snowfall in December: 4.02"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Coon Rapids, IA

Average snowfall days in December - Coon Rapids, IA
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Coon Rapids, IA

Average daylight in December / Average sunshine in December - Coon Rapids, IA
  • Average daylight in December: 9h and 11min

The month with the longest days is June (Average daylight: 15h and 10min).
The month with the shortest days is December (Average daylight: 9h and 11min).

  • Average sunshine in December: 4h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in December
Coon Rapids, IA

Average sunshine days in December - Coon Rapids, IA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10 days).

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Average UV index in December
Coon Rapids, IA

Average UV index in December - Coon Rapids, IA
  • 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 February (UV index 1).

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Average cloud cover in December
Coon Rapids, IA

Average cloud cover in December - Coon Rapids, IA
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in December
Coon Rapids, IA

Average visibility in December - Coon Rapids, IA
  • Average visibility in December: 6mi

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

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