December weather forecast
Antelope, SD

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Weather in December

December, the first month of the winter in Antelope, is also a subzero cold month, with an average temperature varying between 20.1°F (-6.6°C) and 31.8°F (-0.1°C).

Temperature

With the onset of December, Antelope's weather experiences a distinct temperature drop, moving from a chilly 46.4°F (8°C) in November to a subzero cold 31.8°F (-0.1°C). Antelope temperatures generally rest at a low of 20.1°F (-6.6°C) during the December nights.

Humidity

In Antelope, the average relative humidity in December is 76%.

Rainfall

In Antelope, in December, it is raining for 3.7 days, with typically 0.79" (20mm) of accumulated precipitation. In Antelope, during the entire year, the rain falls for 109.2 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. The month with the most snowfall is December, when snow falls for 7.1 days and typically aggregates up to 2.76" (70mm) of snow.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:55 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:17 pm CST.

Sunshine

The average sunshine in December is 5.5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

An average high-temperature, in December, in Antelope, is 31.8°F (-0.1°C) and the average low-temperature is 20.1°F (-6.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December in Antelope?

In Antelope, the average relative humidity in December is 76%.

How many days does it rain in December in Antelope?

In Antelope, during December, the rain falls for 3.7 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When does it snow the most?

The month with the most snowfall in Antelope is December, when snow falls for 7.1 days and typically aggregates up to 2.76" (70mm) of snow.

How much does it snow in December?

In Antelope, in December, snow falls for 7.1 days, with typically accumulated 2.76" (70mm) of snow.

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.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:55 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 5:17 pm CST.

How many hours of sunshine does Antelope have in December?

The average sunshine duration in December is 5.5h.

When is the lowest UV index in Antelope?

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

How high is the UV index in December?

In Antelope, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
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
Antelope, SD

Average temperature in December - Antelope, SD
  • Average high temperature in December: 31.8°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in December: 20.1°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 (18.5°F).

Average pressure in December
Antelope, SD

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Antelope, SD

Average wind speed in December - Antelope, SD
  • Average wind speed in December: 11.9mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

Average humidity in December
Antelope, SD

Average humidity in December - Antelope, SD
  • Average humidity in December: 76%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

Average rainfall in December
Antelope, SD

Average rainfall in December - Antelope, SD
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Antelope, SD

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

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in December
Antelope, SD

Average snowfall in December - Antelope, SD
  • Average snowfall in December: 2.76"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Antelope, SD

Average snowfall days in December - Antelope, SD
  • Average snowfall days in December: 7.1 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Antelope, 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: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Antelope, SD

Average sunshine days in December - Antelope, SD
  • Average sunshine days in December: 20.4 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in December
Antelope, SD

Average UV index in December - Antelope, 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
Antelope, SD

Average cloud cover in December - Antelope, SD
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

Average visibility in December
Antelope, SD

Average visibility in December - Antelope, 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).

Antelope, South Dakota, USA

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