December weather forecast
Two Strike, SD

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Weather in December

The first month of the winter, December, is still a freezing cold month in Two Strike, South Dakota, with temperature in the range of an average low of 20.1°F (-6.6°C) and an average high of 31.8°F (-0.1°C).

Temperature

Two Strike's weather in December is characterized by a distinct drop in the average high-temperature, reducing from a frosty 46.4°F (8°C) in November to a freezing cold 31.8°F (-0.1°C). An average low-temperature of 20.1°F (-6.6°C) is recorded during the nights in December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Two Strike, in December, during 3.7 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Two Strike. 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 the month, sunrise is at 7:56 am and sunset at 5:09 pm. On the last day of December, sunrise is at 8:15 am and sunset at 5:18 pm CST.

Sunshine

In Two Strike, 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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Two Strike in December has an average high-temperature of 31.8°F (-0.1°C) and an average low-temperature of 20.1°F (-6.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In December, the rain falls for 3.7 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 7.1 days and accumulates 2.76" (70mm) of snow.

How many days does it snow in December?

In Two Strike, South Dakota, in December, during 7.1 snowfall days, 2.76" (70mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Two Strike, the average day length in December is 9h and 3min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:56 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:15 am and sunset at 5:18 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December in Two Strike is 2. A UV Index value 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
Two Strike, SD

Average temperature in December - Two Strike, 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
Two Strike, SD

Average pressure in December - Two Strike, 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
Two Strike, SD

Average wind speed in December - Two Strike, 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
Two Strike, SD

Average humidity in December - Two Strike, 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
Two Strike, SD

Average rainfall in December - Two Strike, 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
Two Strike, SD

Average rainfall days in December - Two Strike, 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
Two Strike, SD

Average snowfall in December - Two Strike, 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
Two Strike, SD

Average snowfall days in December - Two Strike, 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
Two Strike, SD

Average daylight in December / Average sunshine in December - Two Strike, 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
Two Strike, SD

Average sunshine days in December - Two Strike, 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
Two Strike, SD

Average UV index in December - Two Strike, 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
Two Strike, SD

Average cloud cover in December - Two Strike, 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
Two Strike, SD

Average visibility in December - Two Strike, 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).

Two Strike, South Dakota, USA

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