December weather forecast
Buffalo Gap, SD

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Weather in December

December, the first month of the winter in Buffalo Gap, is also an icy month, with an average temperature varying between 18.5°F (-7.5°C) and 32.4°F (0.2°C).

Temperature

December stands out as Buffalo Gap's coldest month, with temperatures ranging between an average high of 32.4°F (0.2°C) and a low of 18.5°F (-7.5°C).

Humidity

In Buffalo Gap, the average relative humidity in December is 72%.

Rainfall

In December, the rain falls for 3.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Buffalo Gap, South Dakota, there are 115.8 rainfall days, and 16.61" (422mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Buffalo Gap are January through May, September through December. In Buffalo Gap, South Dakota, during December, snow falls for 8.1 days and regularly aggregates up to 3.58" (91mm) of snow. In Buffalo Gap, during the entire year, snow falls for 49.2 days and aggregates up to 23.19" (589mm) 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 7:07 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:27 pm MST.

Sunshine

The average sunshine in December is 6.1h.

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 value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Experience reduced UV exposure by about half when donning a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

Buffalo Gap experiences its lowest temperatures in December, with an average peak of 32.4°F (0.2°C) and a low of 18.5°F (-7.5°C).

How cold is it in December?

An average high-temperature, in December, in Buffalo Gap, is 32.4°F (0.2°C) and the average low-temperature is 18.5°F (-7.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 72%.

How much does it rain in December?

In Buffalo Gap, South Dakota, in December, during 3.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Buffalo Gap, South Dakota, during December, snow falls for 8.1 days and regularly aggregates up to 3.58" (91mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Buffalo Gap have in December?

In December, the average day length is 9h and 1min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 4:18 pm. On the last day of the month, in Buffalo Gap, sunrise is at 7:26 am and sunset at 4:27 pm MST.

How many hours of sunshine does Buffalo Gap have in December?

In Buffalo Gap, the average sunshine duration in December is 6.1h.

When is 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 reading in December?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Buffalo Gap, SD

Average temperature in December - Buffalo Gap, SD
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is July (63.9°F).
The coldest months (with the lowest average low temperature) are February and December (18.5°F).

Average pressure in December
Buffalo Gap, SD

Average pressure in December - Buffalo Gap, SD
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Buffalo Gap, SD

Average wind speed in December - Buffalo Gap, SD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in December
Buffalo Gap, SD

Average humidity in December - Buffalo Gap, SD
  • Average humidity in December: 72%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (47%).

Average rainfall in December
Buffalo Gap, SD

Average rainfall in December - Buffalo Gap, SD
  • Average rainfall in December: 0.55"

The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in December
Buffalo Gap, SD

Average rainfall days in December - Buffalo Gap, SD
  • Average rainfall days in December: 3.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is December (3.5 days).

Average snowfall in December
Buffalo Gap, SD

Average snowfall in December - Buffalo Gap, SD
  • Average snowfall in December: 3.58"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Buffalo Gap, SD

Average snowfall days in December - Buffalo Gap, SD
  • Average snowfall days in December: 8.1 days

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Buffalo Gap, SD

Average daylight in December / Average sunshine in December - Buffalo Gap, 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: 6h and 1min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in December
Buffalo Gap, SD

Average sunshine days in December - Buffalo Gap, SD
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is December (21.4 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
Buffalo Gap, SD

Average UV index in December - Buffalo Gap, 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).

Average cloud cover in December
Buffalo Gap, SD

Average cloud cover in December - Buffalo Gap, SD
  • Average cloud cover in December: 34

The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Buffalo Gap, SD

Average visibility in December - Buffalo Gap, 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).

Buffalo Gap, South Dakota, USA

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