December weather forecast
Maple Leaf, SD

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Weather in December

December, the first month of the winter in Maple Leaf, is also a subzero cold month, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 14.4°F (-9.8°C).

Temperature

A notable decrease in the average high-temperature is observed during December, falling from a wintry 41.5°F (5.3°C) in November to a freezing cold 25.7°F (-3.5°C). Maple Leaf, in December, observes a steady average low-temperature of 14.4°F (-9.8°C).

Humidity

In Maple Leaf, the average relative humidity in December is 83%.

Rainfall

In Maple Leaf, South Dakota, during December, the rain falls for 2.7 days and regularly aggregates up to 0.67" (17mm) of precipitation. Throughout the year, in Maple Leaf, there are 89.4 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Maple Leaf, during December, snow falls for 9.5 days and regularly aggregates up to 3.39" (86mm) of snow. Throughout the year, in Maple Leaf, there are 49.4 snowfall days, and 19.09" (485mm) of snow is accumulated.

Daylight

The month with the shortest days in Maple Leaf is December, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:08 pm MST.

Sunshine

The average sunshine in December is 4.5h.

UV index

The months with the lowest UV index in Maple Leaf, South Dakota, are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

How cold is December in Maple Leaf?

The average high-temperature and low-temperature in Maple Leaf during December are 25.7°F (-3.5°C) and 14.4°F (-9.8°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 86°F (30°C).

What is the average humidity in December in Maple Leaf?

In Maple Leaf, South Dakota, the average relative humidity in December is 83%.

How much does it rain in Maple Leaf in December?

In Maple Leaf, during December, the rain falls for 2.7 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How many days does it snow in December in Maple Leaf?

In Maple Leaf, in December, snow falls for 9.5 days, with typically accumulated 3.39" (86mm) of snow.

What is the month with the shortest days in Maple Leaf?

December has the shortest days of the year, with an average of 8h and 42min of daylight.

How many hours of daylight does Maple Leaf have in December?

The average day length in December is 8h and 44min.

When are sunrise and sunset in December in Maple Leaf?

On the first day of December in Maple Leaf, sunrise is at 7:05 am and sunset at 4:00 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:08 pm MST.

How many hours of sunshine does Maple Leaf have in December?

In Maple Leaf, South Dakota, the average sunshine duration in December is 4.5h.

What is the month with the lowest UV index in Maple Leaf?

The months with the lowest UV index in Maple Leaf, South Dakota, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Maple Leaf?

The average daily maximum UV index in December in Maple Leaf, South Dakota, is 1. A UV Index estimate of 2, and below, represents 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
Maple Leaf, SD

Average temperature in December - Maple Leaf, SD
  • Average high temperature in December: 25.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (23°F).

  • Average low temperature in December: 14.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in December
Maple Leaf, SD

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

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

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Average wind speed in December
Maple Leaf, SD

Average wind speed in December - Maple Leaf, SD
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is February (9.4mph).

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Average humidity in December
Maple Leaf, SD

Average humidity in December - Maple Leaf, SD
  • Average humidity in December: 83%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in December
Maple Leaf, SD

Average rainfall in December - Maple Leaf, SD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Maple Leaf, SD

Average rainfall days in December - Maple Leaf, SD
  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is June (13.8 days).
The month with the least rainy days is February (1.3 days).

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Average snowfall in December
Maple Leaf, SD

Average snowfall in December - Maple Leaf, SD
  • Average snowfall in December: 3.39"

The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Maple Leaf, SD

Average snowfall days in December - Maple Leaf, SD
  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Maple Leaf, SD

Average daylight in December / Average sunshine in December - Maple Leaf, SD
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Maple Leaf, SD

Average sunshine days in December - Maple Leaf, SD
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.6 days).

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Average UV index in December
Maple Leaf, SD

Average UV index in December - Maple Leaf, SD
  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
Maple Leaf, SD

Average cloud cover in December - Maple Leaf, SD
  • Average cloud cover in December: 52

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 21).

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Average visibility in December
Maple Leaf, SD

Average visibility in December - Maple Leaf, 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).

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Maple Leaf, South Dakota, USA

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