December weather forecast
Newell, IA

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Weather in December

December, the first month of the winter in Newell, is also a subzero cold month, with an average temperature fluctuating between 29.3°F (-1.5°C) and 19.2°F (-7.1°C).

Temperature

The start of December brings a distinct shift in the average high-temperature, dropping from November's chilly 44.2°F (6.8°C) to a freezing cold 29.3°F (-1.5°C). The average temperature drops to 19.2°F (-7.1°C) during the night in the month of December.

Humidity

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

Rainfall

In December, the rain falls for 5.1 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 135.1 rainfall days, and 26.73" (679mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Newell, in December, snow falls for 11.3 days, with typically accumulated 2.76" (70mm) of snow. Throughout the year, there are 50 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 6min of daylight.
On the first day of December in Newell, sunrise is at 7:31 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:56 pm CST.

Sunshine

In December, the average sunshine is 4.7h.

UV index

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature and low-temperature during December are 29.3°F (-1.5°C) and 19.2°F (-7.1°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in December in Newell?

In December, the average relative humidity is 82%.

How much does it rain in December?

In Newell, during December, the rain falls for 5.1 days and regularly aggregates up to 1.5" (38mm) of precipitation.

How many days does it snow in December?

In Newell, in December, snow falls for 11.3 days, with typically accumulated 2.76" (70mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Newell, the average day length in December is 9h and 7min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:31 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:56 pm CST.

How many hours of sunshine does Newell have in December?

The average sunshine duration in December is 4.7h.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Newell, IA

Average temperature in December - Newell, IA
  • Average high temperature in December: 29.3°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (24.6°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in December
Newell, IA

Average pressure in December - Newell, 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
Newell, IA

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

The windiest months (with the highest average wind speed) are January and April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in December
Newell, IA

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

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).

Average rainfall in December
Newell, IA

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

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days in December
Newell, IA

Average rainfall days in December - Newell, IA
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is June (19 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in December
Newell, IA

Average snowfall in December - Newell, IA
  • Average snowfall in December: 2.76"

The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Newell, IA

Average snowfall days in December - Newell, IA
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Newell, IA

Average sunshine days in December - Newell, IA
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in December
Newell, IA

Average UV index in December - Newell, 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 and February (UV index 1).

Average cloud cover in December
Newell, IA

Average cloud cover in December - Newell, IA
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Newell, IA

Average visibility in December - Newell, 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).

Newell, Iowa, USA

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