December weather forecast
Tilford, SD

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Weather in December

December, the first month of the winter in Tilford, is also a wintry month, with an average temperature fluctuating between 32.2°F (0.1°C) and 18.9°F (-7.3°C).

Temperature

Tilford's coldest temperatures are experienced in December, with average high temperatures of 32.2°F (0.1°C) and lows of 18.9°F (-7.3°C).

Humidity

The average relative humidity in December in Tilford, South Dakota, is 75%.

Rainfall

In Tilford, during December, the rain falls for 5.8 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Tilford, there are 126.3 rainfall days, and 16.77" (426mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Tilford, during December, snow falls for 9.9 days and regularly aggregates up to 4.06" (103mm) of snow. Throughout the year, there are 62.1 snowfall days, and 36.26" (921mm) 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 December, sunrise is at 7:10 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm MST.

Sunshine

In December, the average sunshine is 6h.

UV index

The months with the lowest UV index in Tilford are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

What is the coldest month in Tilford?

Tilford witnesses the coldest weather in December, with temperatures averaging a high of 32.2°F (0.1°C) and a low of 18.9°F (-7.3°C).

How cold is it in Tilford in December?

The high-temperature in Tilford, South Dakota, during December is 32.2°F (0.1°C) and the low-temperature is 18.9°F (-7.3°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Tilford?

The average relative humidity in December in Tilford is 75%.

How many days does it rain in December in Tilford?

In December, the rain falls for 5.8 days. Throughout December, 0.75" (19mm) of precipitation is accumulated.

How many days does it snow in December in Tilford?

In December, it is snowing for 9.9 days. Throughout December, 4.06" (103mm) of snow is accumulated.

What is the month with the shortest days in Tilford?

December has the shortest days of the year in Tilford, with an average of 8h and 54min of daylight.

How many hours of daylight does Tilford have in December?

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

When is the sunrise / sunset in December in Tilford?

On the first day of December in Tilford, South Dakota, sunrise is at 7:10 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm MST.

How many hours of sunshine does Tilford have in December?

In December, the average sunshine duration in Tilford, South Dakota, is 6h.

What is the month with the lowest UV index in Tilford?

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

What is the UV index reading in December in Tilford?

In Tilford, the average daily maximum UV index in December is 2. A UV Index reading 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
Tilford, SD

Average temperature in December - Tilford, SD
  • Average high temperature in December: 32.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (32.2°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is February (18°F).

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Average pressure in December
Tilford, SD

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Tilford, SD

Average wind speed in December - Tilford, SD
  • Average wind speed in December: 9.8mph

The windiest month (with the highest average wind speed) is October (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (8.3mph).

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Average humidity in December
Tilford, SD

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

The month with the highest relative humidity is January (77%).
The months with the lowest relative humidity are August and September (49%).

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Average rainfall in December
Tilford, SD

Average rainfall in December - Tilford, SD
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is January (0.59").

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Average rainfall days in December
Tilford, SD

Average rainfall days in December - Tilford, SD
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (5.8 days).

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Average snowfall in December
Tilford, SD

Average snowfall in December - Tilford, SD
  • Average snowfall in December: 4.06"

The month with the highest snowfall is April (8.23").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Tilford, SD

Average snowfall days in December - Tilford, SD
  • Average snowfall days in December: 9.9 days

The month with the highest number of snowfall days is February (12.8 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
Tilford, SD

Average daylight in December / Average sunshine in December - Tilford, 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: 6h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 54min).

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Average sunshine days in December
Tilford, SD

Average sunshine days in December - Tilford, SD
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.4 days).

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Average UV index in December
Tilford, SD

Average UV index in December - Tilford, 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).

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Average cloud cover in December
Tilford, SD

Average cloud cover in December - Tilford, SD
  • Average cloud cover in December: 36

The months with the most cloud cover are February and April (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 16).

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Average visibility in December
Tilford, SD

Average visibility in December - Tilford, 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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Tilford, South Dakota, USA

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