December weather forecast
Tuthill, SD

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Weather in December

December, the first month of the winter in Tuthill, is also a wintry month, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 32°F (0°C).

Temperature

December is Tuthill's coldest month, registering average high temperatures of 32°F (0°C) and lows of 18.9°F (-7.3°C).

Humidity

In Tuthill, the average relative humidity in December is 75%.

Rainfall

In Tuthill, in December, it is raining for 2.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, in Tuthill, there are 108 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Tuthill. In Tuthill, in December, during 7.5 snowfall days, 2.87" (73mm) of snow is typically accumulated. In Tuthill, during the entire year, snow falls for 47.3 days and aggregates up to 19.76" (502mm) of snow.

Daylight

December has the shortest days of the year in Tuthill, with an average of 9h and 6min of daylight.
On the first day of December in Tuthill, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:20 pm MST.

Sunshine

In Tuthill, the average sunshine in December is 5.8h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in Tuthill?

December, on average, is the coldest month in Tuthill, registering a high temperature of 32°F (0°C) and a low of 18.9°F (-7.3°C).

How cold is December in Tuthill?

In Tuthill, in December, the average high-temperature is 32°F (0°C), and the average low-temperature is 18.9°F (-7.3°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 86°F (30°C).

What is the average humidity in December in Tuthill?

In Tuthill, South Dakota, the average relative humidity in December is 75%.

How much does it rain in Tuthill in December?

In December, the rain falls for 2.8 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

How many days does it snow in December in Tuthill?

In Tuthill, in December, snow falls for 7.5 days, with typically accumulated 2.87" (73mm) of snow.

What is the month with the shortest days in Tuthill?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

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

In December, the average day length in Tuthill is 9h and 3min.

When is the sunrise / sunset in December in Tuthill?

In December, on the first day of the month, sunrise is at 6:58 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:20 pm MST.

How many hours of sunshine does Tuthill have in December?

In December, the average sunshine duration in Tuthill, South Dakota, is 5.8h.

What are the months with the lowest UV index in Tuthill?

The months with the lowest UV index in Tuthill, South Dakota, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Tuthill?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Tuthill, SD

Average temperature in December - Tuthill, SD
  • Average high temperature in December: 32°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (32°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in December
Tuthill, SD

Average pressure in December - Tuthill, SD
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Tuthill, SD

Average wind speed in December - Tuthill, SD
  • Average wind speed in December: 11.4mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).

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Average humidity in December
Tuthill, SD

Average humidity in December - Tuthill, SD
  • Average humidity in December: 75%

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are August and September (51%).

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Average rainfall in December
Tuthill, SD

Average rainfall in December - Tuthill, SD
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in December
Tuthill, SD

Average rainfall days in December - Tuthill, SD
  • Average rainfall days in December: 2.8 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is December (2.8 days).

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Average snowfall in December
Tuthill, SD

Average snowfall in December - Tuthill, SD
  • Average snowfall in December: 2.87"

The month with the highest snowfall is March (3.58").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Tuthill, SD

Average snowfall days in December - Tuthill, SD
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in December
Tuthill, SD

Average sunshine days in December - Tuthill, SD
  • Average sunshine days in December: 21 days

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Tuthill, SD

Average UV index in December - Tuthill, SD
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Tuthill, SD

Average cloud cover in December - Tuthill, SD
  • Average cloud cover in December: 37

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in December
Tuthill, SD

Average visibility in December - Tuthill, 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).

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Tuthill, South Dakota, USA

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