December weather forecast
Blunt, SD

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Weather in December

December, the first month of the winter in Blunt, is still a freezing cold month, with an average temperature fluctuating between 16.3°F (-8.7°C) and 28.2°F (-2.1°C).

Temperature

Blunt in December showcases a distinct temperature shift, moving from an average high of a frosty 44.2°F (6.8°C) in November to a subzero cold 28.2°F (-2.1°C). An average nighttime temperature of 16.3°F (-8.7°C) is witnessed throughout December.

Humidity

The average relative humidity in December is 82%.

Rainfall

In December, the rain falls for 2.9 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Blunt, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Blunt, in December, during 8.2 snowfall days, 2.48" (63mm) of snow is typically accumulated. Throughout the year, there are 41.4 snowfall days, and 13.07" (332mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 7:57 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 5:10 pm CST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 1 suggests these recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

In Blunt, 28.2°F (-2.1°C) is the average high-temperature and 16.3°F (-8.7°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 82%.

How much does it rain in December?

In Blunt, South Dakota, in December, during 2.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How much does it snow in Blunt in December?

In Blunt, during December, snow falls for 8.2 days and regularly aggregates up to 2.48" (63mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 8h and 54min of daylight.

How many hours of daylight does Blunt have in December?

In Blunt, the average day length in December is 8h and 54min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:57 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 5:10 pm CST.

How long on average sun shines in December?

In Blunt, the average sunshine duration in December is 4.9h.

What are the months with the lowest UV index?

February and December, with an average maximum UV index of 1, are months with the lowest UV index in Blunt.

What is the UV index intensity in December in Blunt?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Blunt, SD

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

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in December: 16.3°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in December
Blunt, SD

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Blunt, SD

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

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).

Average humidity in December
Blunt, SD

Average humidity in December - Blunt, SD
  • Average humidity in December: 82%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).

Average rainfall in December
Blunt, SD

Average rainfall in December - Blunt, SD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in December
Blunt, SD

Average rainfall days in December - Blunt, SD
  • Average rainfall days in December: 2.9 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in December
Blunt, SD

Average snowfall in December - Blunt, SD
  • Average snowfall in December: 2.48"

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

Average snowfall days in December
Blunt, SD

Average snowfall days in December - Blunt, SD
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Blunt, 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: 4h and 5min

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 36min).

Average sunshine days in December
Blunt, SD

Average sunshine days in December - Blunt, SD
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).

Average UV index in December
Blunt, SD

Average UV index in December - Blunt, SD
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).

Average cloud cover in December
Blunt, SD

Average cloud cover in December - Blunt, SD
  • Average cloud cover in December: 46

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
Blunt, SD

Average visibility in December - Blunt, 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).

Blunt, South Dakota, USA

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