December weather forecast
Howes, SD

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Weather in December

December, the first month of the winter in Howes, is still a freezing cold month, with an average temperature fluctuating between 16.2°F (-8.8°C) and 28.2°F (-2.1°C).

Temperature

The onset of December brings a distinct decrease in the average high-temperature, receding from a frosty 43.3°F (6.3°C) in November to a subzero cold 28.2°F (-2.1°C). During the nights in December, the temperature averages to a still freezing cold 16.2°F (-8.8°C).

Humidity

In Howes, the average relative humidity in December is 80%.

Rainfall

In December, the rain falls for 4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Howes, in December, during 10.4 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Howes, during the entire year, snow falls for 58.3 days and aggregates up to 22.95" (583mm) of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:18 pm MST.

Sunshine

The average sunshine in December is 5.1h.

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Howes, is 28.2°F (-2.1°C), while the average low-temperature is 16.2°F (-8.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 86°F (30°C).

What is the average humidity in December?

In Howes, the average relative humidity in December is 80%.

How much does it rain in December?

In December, the rain falls for 4 days. Throughout December, 0.83" (21mm) of precipitation is accumulated.

How many days does it snow in December?

In Howes, in December, snow falls for 10.4 days, with typically accumulated 3.31" (84mm) of snow.

What is the month with the shortest days?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 8h and 53min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:05 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:18 pm MST.

How many hours of sunshine does Howes have in December?

In Howes, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Howes, SD

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

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

Average pressure in December
Howes, SD

Average pressure in December - Howes, SD
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Howes, SD

Average wind speed in December - Howes, SD
  • Average wind speed in December: 10.9mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).

Average humidity in December
Howes, SD

Average humidity in December - Howes, SD
  • Average humidity in December: 80%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).

Average rainfall in December
Howes, SD

Average rainfall in December - Howes, SD
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in December
Howes, SD

Average rainfall days in December - Howes, SD
  • Average rainfall days in December: 4 days

The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).

Average snowfall in December
Howes, SD

Average snowfall in December - Howes, SD
  • Average snowfall in December: 3.31"

The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Howes, SD

Average snowfall days in December - Howes, SD
  • Average snowfall days in December: 10.4 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Howes, SD
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Howes, SD

Average sunshine days in December - Howes, SD
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).

Average UV index in December
Howes, SD

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Howes, SD

Average cloud cover in December - Howes, SD
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).

Average visibility in December
Howes, SD

Average visibility in December - Howes, 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).

Howes, South Dakota, USA

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