December weather forecast
New Holland, SD

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Weather in December

The first month of the winter, December, is still a freezing cold month in New Holland, South Dakota, with temperature in the range of an average high of 30.4°F (-0.9°C) and an average low of 18.3°F (-7.6°C).

Temperature

December signals a clear temperature drop, with average high-temperatures decreasing from November's frosty 46.4°F (8°C) to a freezing cold 30.4°F (-0.9°C). In the month of December, New Holland's average low-temperature falls to a still subzero cold 18.3°F (-7.6°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In New Holland, in December, during 3.1 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In New Holland, in December, snow falls for 6.5 days, with typically accumulated 1.22" (31mm) of snow. In New Holland, during the entire year, snow falls for 32.8 days and aggregates up to 8.35" (212mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 7:48 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:08 pm CST.

Sunshine

The average sunshine in December in New Holland is 4.9h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is December in New Holland?

The high-temperature, in December, in New Holland, is 30.4°F (-0.9°C), while the low-temperature averages to 18.3°F (-7.6°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in New Holland?

In New Holland, South Dakota, the average relative humidity in December is 81%.

How many days does it rain in December in New Holland?

In December, in New Holland, South Dakota, the rain falls for 3.1 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in December in New Holland?

In New Holland, South Dakota, in December, during 6.5 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days in New Holland?

With an average of 9h and 0min of daylight, December has the shortest days of the year.

What is the average length of the day in December in New Holland?

In December, the average day length in New Holland, South Dakota, is 9h and 1min.

When is the sunrise / sunset in December in New Holland?

In December, on the first day of the month, sunrise is at 7:48 am and sunset at 4:59 pm. On the last day of the month, in New Holland, South Dakota, sunrise is at 8:07 am and sunset at 5:08 pm CST.

How many hours of sunshine does New Holland have in December?

The average sunshine duration in December is 4.9h.

What is the month with the lowest UV index in New Holland?

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

How high is the UV index in December in New Holland?

The average daily maximum UV index in December in New Holland is 2. A UV Index reading of 2, and below, represents a low health threat 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
New Holland, SD

Average temperature in December - New Holland, SD
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in December
New Holland, SD

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
New Holland, SD

Average wind speed in December - New Holland, SD
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in December
New Holland, SD

Average humidity in December - New Holland, SD
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in December
New Holland, SD

Average rainfall in December - New Holland, SD
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in December
New Holland, SD

Average rainfall days in December - New Holland, SD
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in December
New Holland, SD

Average snowfall in December - New Holland, SD
  • Average snowfall in December: 1.22"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
New Holland, SD

Average snowfall days in December - New Holland, SD
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
New Holland, SD

Average daylight in December / Average sunshine in December - New Holland, SD
  • 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 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in December
New Holland, SD

Average sunshine days in December - New Holland, SD
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in December
New Holland, SD

Average UV index in December - New Holland, 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
New Holland, SD

Average cloud cover in December - New Holland, SD
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in December
New Holland, SD

Average visibility in December - New Holland, SD
  • 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).

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New Holland, South Dakota, USA

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