December weather forecast
Coin, IA

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Weather in December

December, the first month of the winter in Coin, is also a wintry month, with an average temperature varying between 22.8°F (-5.1°C) and 35.2°F (1.8°C).

Temperature

Coin's December weather features a mild decline in high-temperatures, reducing from a chilly 49.1°F (9.5°C) in November to a cold 35.2°F (1.8°C). Throughout December, an average nighttime temperature of 22.8°F (-5.1°C) is experienced in Coin.

Humidity

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

Rainfall

In Coin, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Coin, during the entire year, the rain falls for 114.9 days and collects up to 18.39" (467mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Coin, during December, snow falls for 4.5 days and regularly aggregates up to 0.91" (23mm) of snow. In Coin, during the entire year, snow falls for 25.2 days and aggregates up to 7.4" (188mm) of snow.

Daylight

December has the shortest days of the year in Coin, with an average of 9h and 18min of daylight.
On the first day of December in Coin, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:03 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index in Coin are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 2 during December translates into the following guidance:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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 it in Coin in December?

An average high-temperature, in December, in Coin, is 35.2°F (1.8°C) and the average low-temperature is 22.8°F (-5.1°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 89.6°F (32°C).

What is the average humidity in December in Coin?

In December, the average relative humidity is 78%.

How many days does it rain in December in Coin?

In Coin, in December, during 4.3 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

How many days does it snow in December in Coin?

In Coin, Iowa, in December, during 4.5 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the month with the shortest days in Coin?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Coin, Iowa.

How many hours of daylight does Coin have in December?

In Coin, the average day length in December is 9h and 19min.

When is the sunrise / sunset in December in Coin?

In December, on the first day of the month, sunrise is at 7:26 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:03 pm CST.

How long on average sun shines in December in Coin?

In December, the average sunshine duration in Coin is 5h.

When is the lowest UV index in Coin?

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

What is the UV index intensity in December in Coin?

The average daily maximum UV index in December in Coin, Iowa, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to 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
Coin, IA

Average temperature in December - Coin, IA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (31.1°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in December
Coin, IA

Average pressure in December - Coin, IA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Coin, IA

Average wind speed in December - Coin, IA
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in December
Coin, IA

Average humidity in December - Coin, IA
  • Average humidity in December: 78%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in December
Coin, IA

Average rainfall in December - Coin, IA
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is February (0.43").

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Average rainfall days in December
Coin, IA

Average rainfall days in December - Coin, IA
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (3.4 days).

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Average snowfall in December
Coin, IA

Average snowfall in December - Coin, IA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Coin, IA

Average snowfall days in December - Coin, IA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.8 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
Coin, IA

Average daylight in December / Average sunshine in December - Coin, IA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

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 36min).

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Average sunshine days in December
Coin, IA

Average sunshine days in December - Coin, IA
  • Average sunshine days in December: 22 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in December
Coin, IA

Average UV index in December - Coin, IA
  • 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
Coin, IA

Average cloud cover in December - Coin, IA
  • Average cloud cover in December: 45

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in December
Coin, IA

Average visibility in December - Coin, IA
  • 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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Coin, Iowa, USA

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