October weather forecast
White Horse, SD

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Weather in October

October, like September, is another mild autumn month in White Horse, South Dakota, with temperature in the range of an average high of 58.6°F (14.8°C) and an average low of 42.3°F (5.7°C).

Temperature

As White Horse, South Dakota, transitions into October, a marked decrease in the average high-temperature is observed, dropping from a moderately hot 75.7°F (24.3°C) in September to a moderate 58.6°F (14.8°C). White Horse's average low-temperature is measured at a cold 42.3°F (5.7°C) during October.

Humidity

The average relative humidity in October in White Horse, South Dakota, is 58%.

Rainfall

In October, the rain falls for 8.5 days. Throughout October, 1.22" (31mm) of precipitation is accumulated. Throughout the year, in White Horse, there are 109.2 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in White Horse. In October, it is snowing for 1.6 days. Throughout October, 0.75" (19mm) of snow is accumulated. In White Horse, during the entire year, snow falls for 41.1 days and aggregates up to 14.53" (369mm) of snow.

Daylight

In White Horse, the average length of the day in October is 11h and 1min.
On the first day of the month, sunrise is at 7:40 am and sunset at 7:22 pm. On the last day of October, in White Horse, sunrise is at 8:17 am and sunset at 6:34 pm CDT.

Sunshine

The average sunshine in October in White Horse is 7.1h.

UV index

In White Horse, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What are October temperatures in White Horse?

In October, the average high-temperature and low-temperature in White Horse, South Dakota, are 58.6°F (14.8°C) and 42.3°F (5.7°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the average humidity in October in White Horse?

The average relative humidity in October in White Horse, South Dakota, is 58%.

How many days does it rain in October in White Horse?

In White Horse, during October, the rain falls for 8.5 days and regularly aggregates up to 1.22" (31mm) of precipitation.

How much does it snow in White Horse in October?

In White Horse, in October, snow falls for 1.6 days, with typically accumulated 0.75" (19mm) of snow.

What is the average length of the day in October in White Horse?

In White Horse, South Dakota, the average day length in October is 11h and 1min.

When are sunrise and sunset in October in White Horse?

On the first day of October in White Horse, sunrise is at 7:40 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:34 pm CDT.

How long on average sun shines in October in White Horse?

The average sunshine duration in October is 7.1h.

What is the UV index intensity in October in White Horse?

In October, the average daily maximum UV index in White Horse, South Dakota, is 3. A UV Index estimate of 3 to 5 represents a moderate 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 October
White Horse, SD

Average temperature in October - White Horse, SD
  • Average high temperature in October: 58.6°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 (31.5°F).

  • Average low temperature in October: 42.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in October
White Horse, SD

Average pressure in October - White Horse, SD
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in October
White Horse, SD

Average wind speed in October - White Horse, SD
  • Average wind speed in October: 12.6mph

The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest months (with the lowest average wind speed) are July and August (10.6mph).

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Average humidity in October
White Horse, SD

Average humidity in October - White Horse, SD
  • Average humidity in October: 58%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is September (56%).

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Average rainfall in October
White Horse, SD

Average rainfall in October - White Horse, SD
  • Average rainfall in October: 1.22"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in October
White Horse, SD

Average rainfall days in October - White Horse, SD
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in October
White Horse, SD

Average snowfall in October - White Horse, SD
  • Average snowfall in October: 0.75"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
White Horse, SD

Average snowfall days in October - White Horse, SD
  • Average snowfall days in October: 1.6 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
White Horse, SD

Average daylight in October / Average sunshine in October - White Horse, SD
  • Average daylight in October: 11h and 0min

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 0min).

  • Average sunshine in October: 7h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in October
White Horse, SD

Average sunshine days in October - White Horse, SD
  • Average sunshine days in October: 19.6 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in October
White Horse, SD

Average UV index in October - White Horse, SD
  • Average UV index in October: 3

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 October
White Horse, SD

Average cloud cover in October - White Horse, SD
  • Average cloud cover in October: 29

The month with the most cloud cover is February (Cloud cover 44).
The months with the least cloud cover are July, August and September (Cloud cover 21).

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Average visibility in October
White Horse, SD

Average visibility in October - White Horse, SD
  • Average visibility in October: 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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White Horse, South Dakota, USA

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