December weather forecast
Arnolds Park, IA

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Weather in December

The first month of the winter, December, is still a freezing cold month in Arnolds Park, Iowa, with an average temperature varying between 27.3°F (-2.6°C) and 16.3°F (-8.7°C).

Temperature

December marks a distinct drop in the average high-temperature, descending from November's icy 42.4°F (5.8°C) to a freezing cold 27.3°F (-2.6°C). An average low-temperature of 16.3°F (-8.7°C) is recorded during the nights in December in Arnolds Park.

Humidity

In Arnolds Park, the average relative humidity in December is 85%.

Rainfall

In Arnolds Park, during December, the rain falls for 4.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Arnolds Park, Iowa, during the entire year, the rain falls for 121.8 days and collects up to 23.27" (591mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Arnolds Park. In December, in Arnolds Park, Iowa, it is snowing for 11 days. Throughout December, 3.78" (96mm) of snow is accumulated. In Arnolds Park, Iowa, during the entire year, snow falls for 48.3 days and aggregates up to 21.18" (538mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:33 am and sunset at 4:45 pm. On the last day of December, in Arnolds Park, sunrise is at 7:52 am and sunset at 4:54 pm CST.

Sunshine

In December, the average sunshine in Arnolds Park is 4.3h.

UV index

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Arnolds Park in December?

December temperatures in Arnolds Park, Iowa, vary between a high-temperature of 27.3°F (-2.6°C) and a low-temperature of 16.3°F (-8.7°C).

What is the average humidity in December in Arnolds Park?

The average relative humidity in December is 85%.

How many days does it rain in December in Arnolds Park?

In Arnolds Park, during December, the rain falls for 4.4 days and regularly aggregates up to 1.34" (34mm) of precipitation.

How much does it snow in Arnolds Park in December?

In December, in Arnolds Park, Iowa, it is snowing for 11 days. Throughout December, 3.78" (96mm) of snow is accumulated.

What is the month with the shortest days in Arnolds Park?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

How many hours of daylight does Arnolds Park have in December?

In Arnolds Park, the average day length in December is 9h and 2min.

When are sunrise and sunset in December in Arnolds Park?

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 4:45 pm. On the last day of the month, in Arnolds Park, sunrise is at 7:52 am and sunset at 4:54 pm CST.

How many hours of sunshine does Arnolds Park have in December?

In December, the average sunshine duration in Arnolds Park, Iowa, is 4.3h.

What is the UV index intensity in December in Arnolds Park?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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
Arnolds Park, IA

Average temperature in December - Arnolds Park, IA
  • Average high temperature in December: 27.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).

Average pressure in December
Arnolds Park, IA

Average pressure in December - Arnolds Park, 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 (29.87"Hg).

Average wind speed in December
Arnolds Park, IA

Average wind speed in December - Arnolds Park, IA
  • Average wind speed in December: 10.8mph

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in December
Arnolds Park, IA

Average humidity in December - Arnolds Park, IA
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (68%).

Average rainfall in December
Arnolds Park, IA

Average rainfall in December - Arnolds Park, IA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.83").

Average rainfall days in December
Arnolds Park, IA

Average rainfall days in December - Arnolds Park, IA
  • Average rainfall days in December: 4.4 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is February (3 days).

Average snowfall in December
Arnolds Park, IA

Average snowfall in December - Arnolds Park, IA
  • Average snowfall in December: 3.78"

The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Arnolds Park, IA

Average snowfall days in December - Arnolds Park, IA
  • Average snowfall days in December: 11 days

The month with the highest number of snowfall days is December (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Arnolds Park, IA

Average daylight in December / Average sunshine in December - Arnolds Park, IA
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 2min

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 0min).

Average sunshine days in December
Arnolds Park, IA

Average sunshine days in December - Arnolds Park, IA
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in December
Arnolds Park, IA

Average UV index in December - Arnolds Park, 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 and November (UV index 1).

Average cloud cover in December
Arnolds Park, IA

Average cloud cover in December - Arnolds Park, 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 July (Cloud cover 30).

Average visibility in December
Arnolds Park, IA

Average visibility in December - Arnolds Park, 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).

Arnolds Park, Iowa, USA

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