December weather forecast
Canning, SD

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Weather in December

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

Temperature

December's arrival witnesses a distinct temperature drop, receding from November's chilly 44.2°F (6.8°C) to a freezing 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 in Canning is 82%.

Rainfall

In Canning, in December, it is raining for 2.9 days, with typically 0.67" (17mm) of accumulated precipitation. In Canning, South Dakota, during the entire year, the rain falls for 98.5 days and collects up to 13.7" (348mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Canning, during December, snow falls for 8.2 days and regularly aggregates up to 2.48" (63mm) of snow. 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 the month, sunrise is at 7:56 am and sunset at 5:02 pm. On the last day of December, 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The UV index of 1 in December translates into these instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Canning in December has an average high-temperature of 28.2°F (-2.1°C) and an average low-temperature of 16.3°F (-8.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December in Canning is 82%.

How many days does it rain in December?

In Canning, in December, it is raining for 2.9 days, with typically 0.67" (17mm) of accumulated precipitation.

How many days does it snow in December?

In Canning, 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?

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?

In December, the average day length is 8h and 55min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:56 am and sunset at 5:02 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?

The average sunshine duration in December is 4.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from 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
Canning, SD

Average temperature in December - Canning, 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
Canning, SD

Average pressure in December - Canning, 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
Canning, SD

Average wind speed in December - Canning, 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
Canning, SD

Average humidity in December - Canning, 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
Canning, SD

Average rainfall in December - Canning, 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
Canning, SD

Average rainfall days in December - Canning, 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
Canning, SD

Average snowfall in December - Canning, 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
Canning, SD

Average snowfall days in December - Canning, 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
Canning, SD

Average daylight in December / Average sunshine in December - Canning, 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
Canning, SD

Average sunshine days in December - Canning, 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
Canning, SD

Average UV index in December - Canning, 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
Canning, SD

Average cloud cover in December - Canning, 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
Canning, SD

Average visibility in December - Canning, 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).

Canning, South Dakota, USA

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