December weather forecast
Columbia, SD

englishespañol中文
Share

Weather in December

The first month of the winter, December, is still a freezing cold month in Columbia, South Dakota, with an average temperature varying between 25°F (-3.9°C) and 12.7°F (-10.7°C).

Temperature

As November gives way to December, the average high-temperature displays a considerable decrease, falling from an icy 41.7°F (5.4°C) to a freezing cold 25°F (-3.9°C). Columbia's nighttime temperature in December drops to an average of 12.7°F (-10.7°C).

Humidity

In Columbia, South Dakota, the average relative humidity in December is 85%.

Rainfall

In December, the rain falls for 3.1 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 97.2 rainfall days, and 18.35" (466mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Columbia, in December, during 11.4 snowfall days, 3.43" (87mm) of snow is typically accumulated. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of the month, sunrise is at 7:54 am and sunset at 4:51 pm. On the last day of December, in Columbia, sunrise is at 8:13 am and sunset at 4:59 pm CST.

Sunshine

In December, the average sunshine in Columbia is 4.3h.

UV index

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
[Resources]

Frequently asked questions

How cold is December in Columbia?

In December, in Columbia, the average high-temperature is 25°F (-3.9°C), and the average low-temperature is 12.7°F (-10.7°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 86°F (30°C).

What is the average humidity in December in Columbia?

In Columbia, the average relative humidity in December is 85%.

How many days does it rain in December in Columbia?

In Columbia, in December, it is raining for 3.1 days, with typically 0.87" (22mm) of accumulated precipitation.

How many days does it snow in December in Columbia?

In Columbia, in December, during 11.4 snowfall days, 3.43" (87mm) of snow is typically accumulated.

What is the month with the shortest days in Columbia?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Columbia?

In Columbia, the average day length in December is 8h and 46min.

What time are sunrise and sunset in December in Columbia?

In December, on the first day of the month, sunrise is at 7:54 am and sunset at 4:51 pm. On the last day of the month, in Columbia, South Dakota, sunrise is at 8:13 am and sunset at 4:59 pm CST.

How long on average sun shines in December in Columbia?

In Columbia, the average sunshine duration in December is 4.3h.

What is the UV index intensity in December in Columbia?

In Columbia, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Columbia, SD

Average temperature in December - Columbia, SD
  • Average high temperature in December: 25°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).

  • Average low temperature in December: 12.7°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).

[Resources]

Average pressure in December
Columbia, SD

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

[Resources]

Average wind speed in December
Columbia, SD

Average wind speed in December - Columbia, SD
  • Average wind speed in December: 9.5mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

[Resources]

Average humidity in December
Columbia, SD

Average humidity in December - Columbia, SD
  • Average humidity in December: 85%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).

[Resources]

Average rainfall in December
Columbia, SD

Average rainfall in December - Columbia, SD
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").

[Resources]

Average rainfall days in December
Columbia, SD

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

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).

[Resources]

Average snowfall in December
Columbia, SD

Average snowfall in December - Columbia, SD
  • Average snowfall in December: 3.43"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Columbia, SD

Average snowfall days in December - Columbia, SD
  • Average snowfall days in December: 11.4 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

[Resources]

Average sunshine days in December
Columbia, SD

Average sunshine days in December - Columbia, SD
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).

[Resources]

Average UV index in December
Columbia, SD

Average UV index in December - Columbia, 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 and November (UV index 1).

[Resources]

Average cloud cover in December
Columbia, SD

Average cloud cover in December - Columbia, SD
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).

[Resources]

Average visibility in December
Columbia, SD

Average visibility in December - Columbia, SD
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

[Resources]

Columbia, South Dakota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location