December weather forecast
Winfred, SD

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Weather in December

The first month of the winter, December, is still a freezing cold month in Winfred, South Dakota, with an average temperature varying between 14.2°F (-9.9°C) and 25.7°F (-3.5°C).

Temperature

Winfred in December showcases a distinct temperature shift, moving from an average high of a cold 41.9°F (5.5°C) in November to a subzero cold 25.7°F (-3.5°C). An average low-temperature of 14.2°F (-9.9°C) marks the month of December.

Humidity

In Winfred, the average relative humidity in December is 86%.

Rainfall

In Winfred, South Dakota, during December, the rain falls for 3.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, in Winfred, South Dakota, there are 111.2 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Winfred, during December, snow falls for 10.3 days and regularly aggregates up to 4.21" (107mm) of snow. Throughout the year, there are 49.4 snowfall days, and 20.04" (509mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:01 pm CST.

Sunshine

The average sunshine in December is 4.1h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Winfred, South Dakota. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold is December in Winfred?

In December, in Winfred, the average high-temperature is 25.7°F (-3.5°C), and the average low-temperature is 14.2°F (-9.9°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 84.2°F (29°C).

What is the average humidity in December in Winfred?

In Winfred, the average relative humidity in December is 86%.

How many days does it rain in December in Winfred?

In Winfred, South Dakota, during December, the rain falls for 3.3 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in Winfred in December?

In Winfred, in December, snow falls for 10.3 days, with typically accumulated 4.21" (107mm) of snow.

What is the month with the shortest days in Winfred?

With an average of 9h and 0min of daylight, December has the shortest days of the year in Winfred.

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

In Winfred, the average day length in December is 8h and 58min.

What time are sunrise and sunset in December in Winfred?

On the first day of December in Winfred, sunrise is at 7:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:01 pm CST.

How long on average sun shines in December in Winfred?

The average sunshine duration in December in Winfred is 4.1h.

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

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

How high is the UV index in December in Winfred?

In Winfred, South Dakota, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Winfred, SD

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

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in December: 14.2°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in December
Winfred, SD

Average pressure in December - Winfred, 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 (29.85"Hg).

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Average wind speed in December
Winfred, SD

Average wind speed in December - Winfred, SD
  • Average wind speed in December: 10.6mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (8.6mph).

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Average humidity in December
Winfred, SD

Average humidity in December - Winfred, SD
  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in December
Winfred, SD

Average rainfall in December - Winfred, SD
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is November (0.59").

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Average rainfall days in December
Winfred, SD

Average rainfall days in December - Winfred, SD
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is June (18.7 days).
The month with the least rainy days is January (1.6 days).

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Average snowfall in December
Winfred, SD

Average snowfall in December - Winfred, SD
  • Average snowfall in December: 4.21"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Winfred, SD

Average snowfall days in December - Winfred, SD
  • Average snowfall days in December: 10.3 days

The month with the highest number of snowfall days is January (11.3 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
Winfred, SD

Average daylight in December / Average sunshine in December - Winfred, SD
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in December
Winfred, SD

Average sunshine days in December - Winfred, SD
  • Average sunshine days in December: 19.7 days

The month with the most sunshine days is November (22.4 days).
The month with the least sunshine days is June (9.5 days).

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Average UV index in December
Winfred, SD

Average UV index in December - Winfred, SD
  • Average UV index in December: 1

The months with the highest UV index are June and July (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
Winfred, SD

Average cloud cover in December - Winfred, SD
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in December
Winfred, SD

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

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