December weather forecast
Eldon, IA

Share

Weather in December

The first month of the winter, December, is also an icy month in Eldon, Iowa, with an average temperature varying between 36°F (2.2°C) and 24.1°F (-4.4°C).

Temperature

December comes with a decrease in the average high-temperature, falling from a frosty 48.4°F (9.1°C) in November to a cold 36°F (2.2°C). In December, Eldon's temperature tends to fall to an average low of 24.1°F (-4.4°C) during the night.

Humidity

The average relative humidity in December in Eldon is 79%.

Rainfall

In Eldon, during December, the rain falls for 7.7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Eldon, there are 133.4 rainfall days, and 26.54" (674mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Eldon, Iowa, during December, snow falls for 6.7 days and regularly aggregates up to 1.81" (46mm) of snow. In Eldon, during the entire year, snow falls for 34.8 days and aggregates up to 16.18" (411mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:51 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In December, the average high-temperature and low-temperature are 36°F (2.2°C) and 24.1°F (-4.4°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In Eldon, Iowa, the average relative humidity in December is 79%.

How many days does it rain in December?

In Eldon, in December, during 7.7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 6.7 days. Throughout December, 1.81" (46mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

How many hours of daylight does Eldon have in December?

In Eldon, the average day length in December is 9h and 17min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:51 pm CST.

How many hours of sunshine does Eldon have in December?

In December, the average sunshine duration is 4.7h.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. 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
Eldon, IA

Average temperature in December - Eldon, IA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in December: 24.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).

Average pressure in December
Eldon, IA

Average pressure in December - Eldon, IA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Eldon, IA

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

The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in December
Eldon, IA

Average humidity in December - Eldon, IA
  • Average humidity in December: 79%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Eldon, IA

Average rainfall in December - Eldon, IA
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in December
Eldon, IA

Average rainfall days in December - Eldon, IA
  • Average rainfall days in December: 7.7 days

The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).

Average snowfall in December
Eldon, IA

Average snowfall in December - Eldon, IA
  • Average snowfall in December: 1.81"

The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Eldon, IA

Average snowfall days in December - Eldon, IA
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (10.8 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
Eldon, IA

Average daylight in December / Average sunshine in December - Eldon, IA
  • Average daylight in December: 9h and 2min

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

  • Average sunshine in December: 4h and 4min

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 18min).

Average sunshine days in December
Eldon, IA

Average sunshine days in December - Eldon, IA
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in December
Eldon, IA

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

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

Average cloud cover in December
Eldon, IA

Average cloud cover in December - Eldon, IA
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 28).

Average visibility in December
Eldon, IA

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

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

Eldon, Iowa, USA

Weather forecast for your location

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