December weather forecast
Springfield, SD

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Weather in December

December in Springfield, South Dakota, dons the winter mantle, enveloping the city in chilly winds and a constant blanket of snow. With only 9.1 hours of daylight and average temperatures ranging from 18.3°F (-7.6°C) to 30.4°F (-0.9°C), December is markedly cold. Regular snowfall adds to the scenic beauty of the city, ensuring a white Christmas almost every year. The city remains mostly under cloud cover, creating a picture-perfect winter setting. With the transition into a new year, January promises to continue the winter pattern marked by a drop in temperature and a rise in snowfalls.

Temperature

With the beginning of December, Springfield's average high-temperature experiences a significant decrease, moving from a frosty 46.4°F (8°C) in November to a subzero cold 30.4°F (-0.9°C). Springfield encounters an average low-temperature of 18.3°F (-7.6°C) during December nights.

Humidity

In Springfield, the average relative humidity in December is 81%.

Rainfall

In Springfield, South Dakota, in December, it is raining for 3.1 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Springfield, in December, snow falls for 6.5 days, with typically accumulated 1.22" (31mm) of snow. In Springfield, during the entire year, snow falls for 32.8 days and aggregates up to 8.35" (212mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:58 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:07 pm CST.

Sunshine

The average sunshine in December in Springfield, South Dakota, is 4.9h.

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 low health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

How cold is it in Springfield in December?

An average high-temperature, in December, in Springfield, is 30.4°F (-0.9°C) and the average low-temperature is 18.3°F (-7.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

In Springfield, the average relative humidity in December is 81%.

How much does it rain in December?

In December, the rain falls for 3.1 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How many days does it snow in December in Springfield?

In December, it is snowing for 6.5 days. Throughout December, 1.22" (31mm) of snow is accumulated.

What is the month with the shortest days in Springfield?

December has the shortest days of the year in Springfield, South Dakota, with an average of 9h and 6min of daylight.

How many hours of daylight does Springfield have in December?

The average day length in December is 9h and 5min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:07 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.9h.

What is the month 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 intensity in December in Springfield?

In Springfield, 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
Springfield, SD

Average temperature in December - Springfield, SD
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 18.3°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 (13.6°F).

Average pressure in December
Springfield, SD

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in December
Springfield, SD

Average wind speed in December - Springfield, SD
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

Average humidity in December
Springfield, SD

Average humidity in December - Springfield, SD
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

Average rainfall in December
Springfield, SD

Average rainfall in December - Springfield, SD
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

Average rainfall days in December
Springfield, SD

Average rainfall days in December - Springfield, SD
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

Average snowfall in December
Springfield, SD

Average snowfall in December - Springfield, SD
  • Average snowfall in December: 1.22"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Springfield, SD

Average snowfall days in December - Springfield, SD
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Springfield, SD
  • Average daylight in December: 9h and 1min

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 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in December
Springfield, SD

Average sunshine days in December - Springfield, SD
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Springfield, SD

Average UV index in December - Springfield, 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
Springfield, SD

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

Average visibility in December
Springfield, SD

Average visibility in December - Springfield, 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).

Springfield, South Dakota, USA

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