December weather forecast
Davis, SD

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Weather in December

The first month of the winter, December, is also a subzero cold month in Davis, South Dakota, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 28.2°F (-2.1°C).

Temperature

December is marked by a significant decrease, with the average high-temperature retreating from a frosty 44.2°F (6.8°C) in November to a freezing cold 28.2°F (-2.1°C). During the month of December, the temperature falls to an average of 16.3°F (-8.7°C).

Humidity

In December, the average relative humidity is 84%.

Rainfall

In December, the rain falls for 3.7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 111.7 rainfall days, and 17.76" (451mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Davis, in December, snow falls for 8.7 days, with typically accumulated 2.52" (64mm) of snow. Throughout the year, there are 38.7 snowfall days, and 12.76" (324mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 0min of daylight.
On the first day of the month, sunrise is at 7:41 am and sunset at 4:53 pm. On the last day of December, in Davis, sunrise is at 8:00 am and sunset at 5:02 pm CST.

Sunshine

In December, the average sunshine is 4.4h.

UV index

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 28.2°F (-2.1°C) and the low-temperature is 16.3°F (-8.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in August is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How many days does it rain in December?

In Davis, in December, it is raining for 3.7 days, with typically 0.75" (19mm) of accumulated precipitation.

How many days does it snow in December in Davis?

In Davis, in December, during 8.7 snowfall days, 2.52" (64mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 2min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:41 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:02 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.4h.

What is the UV index intensity in December in Davis?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Davis, SD

Average temperature in December - Davis, SD
  • Average high temperature in December: 28.2°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in December
Davis, SD

Average pressure in December - Davis, 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).

Average wind speed in December
Davis, SD

Average wind speed in December - Davis, SD
  • Average wind speed in December: 10mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

Average humidity in December
Davis, SD

Average humidity in December - Davis, SD
  • Average humidity in December: 84%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (66%).

Average rainfall in December
Davis, SD

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

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and November (0.47").

Average rainfall days in December
Davis, SD

Average rainfall days in December - Davis, SD
  • Average rainfall days in December: 3.7 days

The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
Davis, SD

Average snowfall in December - Davis, SD
  • Average snowfall in December: 2.52"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Davis, SD

Average snowfall days in December - Davis, SD
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Davis, SD
  • Average daylight in December: 9h and 0min

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 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Davis, SD

Average sunshine days in December - Davis, SD
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
Davis, SD

Average UV index in December - Davis, SD
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in December
Davis, SD

Average cloud cover in December - Davis, SD
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in December
Davis, SD

Average visibility in December - Davis, 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).

Davis, South Dakota, USA

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