December weather forecast
Bellevue, IA

Weather in December

The first month of the winter, December, is still a cold month in Bellevue, Iowa, with an average temperature fluctuating between 21.6°F (-5.8°C) and 32°F (0°C).

Temperature

In Bellevue, the average high-temperature in December drops from a frosty 44.8°F (7.1°C) in November to a wintry 32°F (0°C). In December, in Bellevue, the average low-temperature is 21.6°F (-5.8°C).

Humidity

In December, the average relative humidity in Bellevue is 82%.

Rainfall

In Bellevue, during December, the rain falls for 6.5 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Bellevue, during the entire year, the rain falls for 145.6 days and collects up to 28.9" (734mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Bellevue, Iowa, snow falls for 8.7 days, with typically accumulated 2.72" (69mm) of snow. In Bellevue, during the entire year, snow falls for 40.1 days and aggregates up to 16.61" (422mm) of snow.

Daylight

With an average of 9h and 9min of daylight, December has the shortest days of the year in Bellevue.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:30 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:39 pm CST.

Sunshine

In Bellevue, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Bellevue?

The average relative humidity in December in Bellevue is 82%.

How many days does it rain in December in Bellevue?

In Bellevue, Iowa, during December, the rain falls for 6.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How much does it snow in Bellevue in December?

In December, in Bellevue, it is snowing for 8.7 days. Throughout December, 2.72" (69mm) of snow is accumulated.

What is the month with the shortest days in Bellevue?

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

How many hours of daylight does Bellevue have in December?

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

When is the sunrise / sunset in December in Bellevue?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:39 pm CST.

How long on average sun shines in December in Bellevue?

In December, the average sunshine duration in Bellevue, Iowa, is 4.2h.

When is the lowest UV index in Bellevue?

The months with the lowest UV index in Bellevue are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Bellevue?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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
Bellevue, IA

Average temperature in December - Bellevue, IA
  • Average high temperature in December: 32°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in December: 21.6°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).

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Average pressure in December
Bellevue, IA

Average pressure in December - Bellevue, IA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Bellevue, IA

Average wind speed in December - Bellevue, IA
  • Average wind speed in December: 9.6mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in December
Bellevue, IA

Average humidity in December - Bellevue, IA
  • Average humidity in December: 82%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
Bellevue, IA

Average rainfall in December - Bellevue, IA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.22").

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Average rainfall days in December
Bellevue, IA

Average rainfall days in December - Bellevue, IA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in December
Bellevue, IA

Average snowfall in December - Bellevue, IA
  • Average snowfall in December: 2.72"

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
Bellevue, IA

Average snowfall days in December - Bellevue, IA
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (10.6 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
Bellevue, IA

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

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 9min).

  • Average sunshine in December: 4h and 12min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Bellevue, IA

Average sunshine days in December - Bellevue, IA
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (9.5 days).

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Average UV index in December
Bellevue, IA

Average UV index in December - Bellevue, IA
  • Average UV index in December: 1

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

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Average cloud cover in December
Bellevue, IA

Average cloud cover in December - Bellevue, IA
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in December
Bellevue, IA

Average visibility in December - Bellevue, IA
  • Average visibility in December: 6mi

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

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