December weather forecast
Sioux Rapids, IA

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Weather in December

December, the first month of the winter in Sioux Rapids, is also a subzero cold month, with an average temperature ranging between min 18.5°F (-7.5°C) and max 28.9°F (-1.7°C).

Temperature

As Sioux Rapids steps into December, a marked temperature drop is observed, with the average high-temperature reducing from November's chilly 43.7°F (6.5°C) to a freezing cold 28.9°F (-1.7°C). An average minimum temperature of 18.5°F (-7.5°C) marks the month of December in Sioux Rapids, Iowa.

Humidity

The average relative humidity in December in Sioux Rapids is 83%.

Rainfall

In December, the rain falls for 4.5 days. Throughout December, 1.26" (32mm) of precipitation is accumulated. In Sioux Rapids, during the entire year, the rain falls for 127.3 days and collects up to 23.58" (599mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 10.5 days. Throughout December, 2.72" (69mm) of snow is accumulated. Throughout the year, in Sioux Rapids, Iowa, there are 46.1 snowfall days, and 19.06" (484mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:32 am and sunset at 4:47 pm. On the last day of December, in Sioux Rapids, sunrise is at 7:51 am and sunset at 4:56 pm CST.

Sunshine

In Sioux Rapids, the average sunshine in December is 4.6h.

UV index

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. 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. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Sioux Rapids in December?

The average high-temperature, in December, in Sioux Rapids, is 28.9°F (-1.7°C), while the average low-temperature is 18.5°F (-7.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is estimated at 86°F (30°C).

What is the average humidity in December in Sioux Rapids?

In December, the average relative humidity in Sioux Rapids is 83%.

How much does it rain in Sioux Rapids in December?

In December, the rain falls for 4.5 days. Throughout December, 1.26" (32mm) of precipitation is accumulated.

How much does it snow in Sioux Rapids in December?

In December, in Sioux Rapids, Iowa, it is snowing for 10.5 days. Throughout December, 2.72" (69mm) of snow is accumulated.

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

The month with the shortest days in Sioux Rapids is December, with an average of 9h and 6min of daylight.

How many hours of daylight does Sioux Rapids have in December?

The average day length in December in Sioux Rapids, Iowa, is 9h and 5min.

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

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 4:47 pm. On the last day of the month, in Sioux Rapids, sunrise is at 7:51 am and sunset at 4:56 pm CST.

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

In December, the average sunshine duration is 4.6h.

What is the UV index intensity in December in Sioux Rapids?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Sioux Rapids, IA

Average temperature in December - Sioux Rapids, IA
  • Average high temperature in December: 28.9°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure in December
Sioux Rapids, IA

Average pressure in December - Sioux 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
Sioux Rapids, IA

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

The windiest months (with the highest average wind speed) are January and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in December
Sioux Rapids, IA

Average humidity in December - Sioux Rapids, IA
  • Average humidity in December: 83%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).

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Average rainfall in December
Sioux Rapids, IA

Average rainfall in December - Sioux Rapids, IA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.87").

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Average rainfall days in December
Sioux Rapids, IA

Average rainfall days in December - Sioux Rapids, IA
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in December
Sioux Rapids, IA

Average snowfall in December - Sioux Rapids, IA
  • Average snowfall in December: 2.72"

The month with the highest snowfall is February (4.96").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Sioux Rapids, IA

Average snowfall days in December - Sioux Rapids, IA
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is January (11.9 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
Sioux Rapids, IA

Average daylight in December / Average sunshine in December - Sioux Rapids, IA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Sioux Rapids, IA

Average sunshine days in December - Sioux Rapids, IA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.6 days).

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Average UV index in December
Sioux Rapids, IA

Average UV index in December - Sioux 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
Sioux Rapids, IA

Average cloud cover in December - Sioux Rapids, IA
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Sioux Rapids, IA

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

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

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Sioux Rapids, Iowa, USA

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