December weather forecast
Zwingle, IA

Share

Weather in December

The first month of the winter, December, is still a freezing cold month in Zwingle, Iowa, with an average temperature varying between 31.5°F (-0.3°C) and 21.2°F (-6°C).

Temperature

The average high-temperature decreases in December, shifting from a chilly 44.1°F (6.7°C) in November to a subzero cold 31.5°F (-0.3°C). Zwingle experiences an average nighttime temperature of 21.2°F (-6°C) in the month of December.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In December, the rain falls for 7.2 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 140.9 rainfall days, and 28.11" (714mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 9.3 days. Throughout December, 3.03" (77mm) of snow is accumulated. Throughout the year, there are 46.4 snowfall days, and 17.64" (448mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:40 pm CST.

Sunshine

In December, the average sunshine in Zwingle 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 1 in December translates into these instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Zwingle, is 31.5°F (-0.3°C), while the average low-temperature is 21.2°F (-6°C).

What is the average humidity in December?

The average relative humidity in December is 82%.

How many days does it rain in December?

In Zwingle, in December, it is raining for 7.2 days, with typically 1.38" (35mm) of accumulated precipitation.

How much does it snow in December?

In Zwingle, during December, snow falls for 9.3 days and regularly aggregates up to 3.03" (77mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

How many hours of daylight does Zwingle have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:40 pm CST.

How many hours of sunshine does Zwingle have in December?

The average sunshine duration in December is 4.2h.

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

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

How high is the UV index in December?

In Zwingle, Iowa, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Zwingle, IA

Average temperature in December - Zwingle, IA
  • Average high temperature in December: 31.5°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in December: 21.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in December
Zwingle, IA

Average pressure in December - Zwingle, 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).

Average wind speed in December
Zwingle, IA

Average wind speed in December - Zwingle, IA
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

Average humidity in December
Zwingle, IA

Average humidity in December - Zwingle, 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%).

Average rainfall in December
Zwingle, IA

Average rainfall in December - Zwingle, IA
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in December
Zwingle, IA

Average rainfall days in December - Zwingle, IA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in December
Zwingle, IA

Average snowfall in December - Zwingle, IA
  • Average snowfall in December: 3.03"

The month with the highest snowfall is January (5.08").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Zwingle, IA

Average snowfall days in December - Zwingle, IA
  • Average snowfall days in December: 9.3 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Zwingle, IA

Average daylight in December / Average sunshine in December - Zwingle, 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 1min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Zwingle, IA

Average sunshine days in December - Zwingle, IA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is June (10.3 days).

Average UV index in December
Zwingle, IA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Zwingle, IA

Average cloud cover in December - Zwingle, IA
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Zwingle, IA

Average visibility in December - Zwingle, 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).

Zwingle, Iowa, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location