December weather forecast
Eldora, IA

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Weather in December

The first month of the winter, December, is also a subzero cold month in Eldora, Iowa, with an average temperature fluctuating between 30.9°F (-0.6°C) and 20.1°F (-6.6°C).

Temperature

Welcoming December, Eldora observes a shift in the average high-temperature, falling from November's frosty 44.4°F (6.9°C) to a freezing cold 30.9°F (-0.6°C). Eldora witnesses an average low-temperature of 20.1°F (-6.6°C) throughout the month of December.

Humidity

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

Rainfall

In Eldora, Iowa, in December, during 3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated. In Eldora, during the entire year, the rain falls for 83.5 days and collects up to 6.5" (165mm) of precipitation.

Snowfall

Months with snowfall in Eldora are January through April, October through December. In Eldora, in December, during 4.9 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Eldora, during the entire year, snow falls for 26.6 days and aggregates up to 3.03" (77mm) of snow.

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 7:22 am and sunset at 4:40 pm. On the last day of December, in Eldora, sunrise is at 7:41 am and sunset at 4:50 pm CST.

Sunshine

The average sunshine in December in Eldora is 4.4h.

UV index

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Eldora. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

How cold is it in Eldora in December?

An average high-temperature, in December, in Eldora, is 30.9°F (-0.6°C) and the average low-temperature is 20.1°F (-6.6°C).

What is the average humidity in December in Eldora?

The average relative humidity in December is 82%.

How many days does it rain in December in Eldora?

In Eldora, in December, during 3 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.

How much does it snow in Eldora in December?

In Eldora, Iowa, during December, snow falls for 4.9 days and regularly aggregates up to 0.43" (11mm) of snow.

What is the month with the shortest days in Eldora?

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

How many hours of daylight does Eldora have in December?

In December, the average day length is 9h and 8min.

When are sunrise and sunset in December in Eldora?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:50 pm CST.

How many hours of sunshine does Eldora have in December?

The average sunshine duration in December in Eldora, Iowa, is 4.4h.

What are the months with the lowest UV index in Eldora?

The months with the lowest UV index in Eldora are January, February, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December in Eldora?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Eldora, IA

Average temperature in December - Eldora, IA
  • Average high temperature in December: 30.9°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 (24.4°F).

  • Average low temperature in December: 20.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

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Average pressure in December
Eldora, IA

Average pressure in December - Eldora, IA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Eldora, IA

Average wind speed in December - Eldora, IA
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in December
Eldora, IA

Average humidity in December - Eldora, 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 (71%).

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Average rainfall in December
Eldora, IA

Average rainfall in December - Eldora, IA
  • Average rainfall in December: 0.28"

The wettest month (with the highest rainfall) is May (1.06").
The driest months (with the least rainfall) are January and February (0.24").

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Average rainfall days in December
Eldora, IA

Average rainfall days in December - Eldora, IA
  • Average rainfall days in December: 3 days

The month with the highest number of rainy days is May (11.6 days).
The months with the least rainy days are January and February (2 days).

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Average snowfall in December
Eldora, IA

Average snowfall in December - Eldora, IA
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Eldora, IA

Average snowfall days in December - Eldora, IA
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (7 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
Eldora, IA

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in December
Eldora, IA

Average sunshine days in December - Eldora, IA
  • Average sunshine days in December: 24.6 days

The month with the most sunshine days is January (25.2 days).
The month with the least sunshine days is June (15.8 days).

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Average UV index in December
Eldora, IA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in December
Eldora, IA

Average cloud cover in December - Eldora, IA
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

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Average visibility in December
Eldora, IA

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

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

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Eldora, Iowa, USA

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