December weather forecast
Newell, SD

Weather in December

The first month of the winter, December, is also a wintry month in Newell, South Dakota, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 32.2°F (0.1°C).

Temperature

With an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 18.9°F (-7.3°C), December is the coldest month.

Humidity

In December, the average relative humidity in Newell is 75%.

Rainfall

In December, the rain falls for 5.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 126.3 rainfall days, and 16.77" (426mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Newell, during December, snow falls for 9.9 days and regularly aggregates up to 4.06" (103mm) of snow. Throughout the year, in Newell, there are 62.1 snowfall days, and 36.26" (921mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 52min of daylight.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:14 pm. On the last day of December, in Newell, sunrise is at 7:30 am and sunset at 4:22 pm MST.

Sunshine

The average sunshine in December is 6h.

UV index

The months with the lowest UV index in Newell are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Newell?

December is the coldest month in Newell, with an average high-temperature of 32.2°F (0.1°C) and an average low-temperature of 18.9°F (-7.3°C).

What is the average humidity in December in Newell?

In Newell, South Dakota, the average relative humidity in December is 75%.

How many days does it rain in December in Newell?

In Newell, in December, during 5.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December in Newell?

In Newell, South Dakota, during December, snow falls for 9.9 days and regularly aggregates up to 4.06" (103mm) of snow.

What is the month with the shortest days in Newell?

The month with the shortest days in Newell, South Dakota, is December, with an average of 8h and 52min of daylight.

How many hours of daylight does Newell have in December?

The average day length in December is 8h and 52min.

What time are sunrise and sunset in December in Newell?

On the first day of December, sunrise is at 7:10 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:22 pm MST.

How many hours of sunshine does Newell have in December?

In December, the average sunshine duration in Newell, South Dakota, is 6h.

What is the month with the lowest UV index in Newell?

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

What is the UV index intensity in December in Newell?

The average daily maximum UV index in December in Newell is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Newell, SD

Average temperature in December - Newell, SD
  • Average high temperature in December: 32.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

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Average pressure in December
Newell, SD

Average pressure in December - Newell, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Newell, SD

Average wind speed in December - Newell, SD
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

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Average humidity in December
Newell, SD

Average humidity in December - Newell, SD
  • Average humidity in December: 75%

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

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Average rainfall in December
Newell, SD

Average rainfall in December - Newell, SD
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Newell, SD

Average rainfall days in December - Newell, SD
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

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Average snowfall in December
Newell, SD

Average snowfall in December - Newell, SD
  • Average snowfall in December: 4.06"

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Newell, SD

Average snowfall days in December - Newell, SD
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is February (12.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Newell, SD
  • Average daylight in December: 8h and 52min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 52min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in December
Newell, SD

Average sunshine days in December - Newell, SD
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

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Average UV index in December
Newell, SD

Average UV index in December - Newell, SD
  • 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).

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Average cloud cover in December
Newell, SD

Average cloud cover in December - Newell, SD
  • Average cloud cover in December: 36

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Newell, SD

Average visibility in December - Newell, SD
  • 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).

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