December weather forecast
Bradley, SD

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Weather in December

December, the first month of the winter in Bradley, is still a freezing cold month, with an average temperature varying between 11.5°F (-11.4°C) and 23.2°F (-4.9°C).

Temperature

In December, the average high-temperature decreases considerably from an icy 38.8°F (3.8°C) in November to a freezing cold 23.2°F (-4.9°C). An average low-temperature of 11.5°F (-11.4°C) is common in Bradley during the nights of December.

Humidity

In Bradley, South Dakota, the average relative humidity in December is 88%.

Rainfall

In Bradley, in December, it is raining for 4.1 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 112.9 rainfall days, and 22.09" (561mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. December is the month with the most snowfall in Bradley. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 48min of daylight.
On the first day of December, sunrise is at 7:49 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:58 pm CST.

Sunshine

In December, the average sunshine is 3.6h.

UV index

January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Bradley, South Dakota. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 1 transforms into these recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is it in Bradley in December?

December temperatures in Bradley vary between a high-temperature of 23.2°F (-4.9°C) and a low-temperature of 11.5°F (-11.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in July is appraised at 84.2°F (29°C).

What is the average humidity in December in Bradley?

In Bradley, the average relative humidity in December is 88%.

How much does it rain in Bradley in December?

In Bradley, South Dakota, during December, the rain falls for 4.1 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When does it snow the most in Bradley?

December is the month with the most snowfall in Bradley, South Dakota. Snow falls for 14.6 days and accumulates 4.53" (115mm) of snow.

How many days does it snow in December in Bradley?

In Bradley, in December, snow falls for 14.6 days, with typically accumulated 4.53" (115mm) of snow.

What is the month with the shortest days in Bradley?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Bradley.

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

In Bradley, South Dakota, the average day length in December is 8h and 50min.

What time are sunrise and sunset in December in Bradley?

In December, on the first day of the month, sunrise is at 7:49 am and sunset at 4:50 pm. On the last day of the month, in Bradley, South Dakota, sunrise is at 8:09 am and sunset at 4:58 pm CST.

How many hours of sunshine does Bradley have in December?

In December, the average sunshine duration in Bradley is 3.6h.

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

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

What is the UV index intensity in December in Bradley?

The average daily maximum UV index in December in Bradley is 1. A UV Index value of 2, and less, symbolizes a low health threat 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
Bradley, SD

Average temperature in December - Bradley, SD
  • Average high temperature in December: 23.2°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (18.9°F).

  • Average low temperature in December: 11.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (5°F).

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Average pressure in December
Bradley, SD

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

The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Bradley, SD

Average wind speed in December - Bradley, SD
  • Average wind speed in December: 11mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).

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Average humidity in December
Bradley, SD

Average humidity in December - Bradley, SD
  • Average humidity in December: 88%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is September (66%).

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Average rainfall in December
Bradley, SD

Average rainfall in December - Bradley, SD
  • Average rainfall in December: 0.98"

The wettest month (with the highest rainfall) is July (3.58").
The driest month (with the least rainfall) is November (0.63").

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Average rainfall days in December
Bradley, SD

Average rainfall days in December - Bradley, SD
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in December
Bradley, SD

Average snowfall in December - Bradley, SD
  • Average snowfall in December: 4.53"

The month with the highest snowfall is December (4.53").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Bradley, SD

Average snowfall days in December - Bradley, SD
  • Average snowfall days in December: 14.6 days

The month with the highest number of snowfall days is January (15.1 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
Bradley, SD

Average daylight in December / Average sunshine in December - Bradley, SD
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 3h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in December
Bradley, SD

Average sunshine days in December - Bradley, SD
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in December
Bradley, SD

Average UV index in December - Bradley, 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, November and December (UV index 1).

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Average cloud cover in December
Bradley, SD

Average cloud cover in December - Bradley, SD
  • Average cloud cover in December: 62

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in December
Bradley, SD

Average visibility in December - Bradley, SD
  • Average visibility in December: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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Bradley, South Dakota, USA

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