December weather forecast
Clearfield, IA

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Weather in December

The first month of the winter, December, is still a cold month in Clearfield, Iowa, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.8°F (-5.1°C).

Temperature

With December's arrival, Clearfield's weather changes as the average high-temperature falls from a chilly 48.6°F (9.2°C) in November to an icy 35.2°F (1.8°C). The average low-temperature of 22.8°F (-5.1°C) is witnessed during December.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Clearfield, during December, the rain falls for 4.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Clearfield, during the entire year, the rain falls for 123.8 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

Months with snowfall in Clearfield are January through May, October through December. In Clearfield, during December, snow falls for 5.4 days and regularly aggregates up to 1.34" (34mm) of snow. Throughout the year, there are 28.8 snowfall days, and 10.51" (267mm) of snow is accumulated.

Daylight

The month with the shortest days in Clearfield is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:23 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:00 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

In Clearfield, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

How cold is it in Clearfield in December?

The average high-temperature, in December, in Clearfield, is 35.2°F (1.8°C), while the average low-temperature is 22.8°F (-5.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 87.8°F (31°C).

What is the average humidity in December in Clearfield?

The average relative humidity in December is 78%.

How many days does it rain in December in Clearfield?

In December, in Clearfield, Iowa, the rain falls for 4.6 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How many days does it snow in December in Clearfield?

In December, it is snowing for 5.4 days. Throughout December, 1.34" (34mm) of snow is accumulated.

What is the month with the shortest days in Clearfield?

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

How many hours of daylight does Clearfield have in December?

The average day length in December is 9h and 19min.

When is the sunrise / sunset in December in Clearfield?

On the first day of December, sunrise is at 7:23 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:00 pm CST.

How long on average sun shines in December in Clearfield?

The average sunshine duration in December is 5h.

How high is the UV index in December in Clearfield?

In December, the average daily maximum UV index in Clearfield 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
Clearfield, IA

Average temperature in December - Clearfield, 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 (30.7°F).

  • Average low temperature in December: 22.8°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in December
Clearfield, IA

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in December
Clearfield, IA

Average wind speed in December - Clearfield, IA
  • Average wind speed in December: 9.7mph

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
Clearfield, IA

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

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Clearfield, IA

Average rainfall in December - Clearfield, IA
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is February (0.63").

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Average rainfall days in December
Clearfield, IA

Average rainfall days in December - Clearfield, IA
  • Average rainfall days in December: 4.6 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall in December
Clearfield, IA

Average snowfall in December - Clearfield, IA
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Clearfield, IA

Average snowfall days in December - Clearfield, IA
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is January (8.3 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
Clearfield, IA

Average daylight in December / Average sunshine in December - Clearfield, IA
  • 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: 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
Clearfield, IA

Average sunshine days in December - Clearfield, IA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in December
Clearfield, IA

Average UV index in December - Clearfield, IA
  • Average UV index in December: 2

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

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Average cloud cover in December
Clearfield, IA

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

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and September (Cloud cover 28).

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Average visibility in December
Clearfield, IA

Average visibility in December - Clearfield, 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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Clearfield, Iowa, USA

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