October weather forecast
Pierre, SD

The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park
The Capitol Dome building in Pierre, South Dakota, set in a beautiful tree park

Weather in October

October, the same as September, in Pierre, South Dakota, is a moderate autumn month, with an average temperature ranging between max 58.5°F (14.7°C) and min 42.8°F (6°C).

Temperature

In October, the average high-temperature significantly decreases from a warm 76.8°F (24.9°C) in September to a mild 58.5°F (14.7°C). In October, in Pierre, the average low-temperature is 42.8°F (6°C).

Humidity

In October, the average relative humidity in Pierre is 59%.

Rainfall

In Pierre, in October, it is raining for 7.5 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Pierre, there are 98.5 rainfall days, and 13.7" (348mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Pierre. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow. In Pierre, during the entire year, snow falls for 41.4 days and aggregates up to 13.07" (332mm) of snow.

Daylight

The average length of the day in October is 10h and 58min.
On the first day of the month, sunrise is at 7:39 am and sunset at 7:22 pm. On the last day of October, sunrise is at 8:17 am and sunset at 6:32 pm CDT.

Sunshine

In Pierre, the average sunshine in October is 7h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Pierre?

In October, the average relative humidity is 59%.

How much does it rain in Pierre in October?

In Pierre, during October, the rain falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When does it start to snow in Pierre?

October is the first month it typically snows in Pierre, South Dakota. Throughout October, in the average 1.5 snowfall days, it receives 0.31" (8mm) of snow.

How many hours of daylight does Pierre have in October?

The average day length in October in Pierre, South Dakota, is 10h and 58min.

What time are sunrise and sunset in October in Pierre?

On the first day of October, sunrise is at 7:39 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:32 pm CDT.

How many hours of sunshine does Pierre have in October?

In Pierre, the average sunshine duration in October is 7h.

What is the UV index intensity in October in Pierre?

In October, the average daily maximum UV index in Pierre, South Dakota, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Pierre, SD

Average temperature in October - Pierre, SD
  • Average high temperature in October: 58.5°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (26.2°F).

  • Average low temperature in October: 42.8°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in October
Pierre, SD

Average pressure in October - Pierre, SD
  • Average pressure in October: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in October
Pierre, SD

Average wind speed in October - Pierre, SD
  • Average wind speed in October: 11.6mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest months (with the lowest average wind speed) are February and August (9.9mph).

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Average humidity in October
Pierre, SD

Average humidity in October - Pierre, SD
  • Average humidity in October: 59%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (52%).

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Average rainfall in October
Pierre, SD

Average rainfall in October - Pierre, SD
  • Average rainfall in October: 0.98"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in October
Pierre, SD

Average rainfall days in October - Pierre, SD
  • Average rainfall days in October: 7.5 days

The month with the highest number of rainy days is June (14.2 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in October
Pierre, SD

Average snowfall in October - Pierre, SD
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Pierre, SD

Average snowfall days in October - Pierre, SD
  • Average snowfall days in October: 1.5 days

The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Pierre, SD

Average daylight in October / Average sunshine in October - Pierre, SD
  • Average daylight in October: 10h and 58min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in October
Pierre, SD

Average sunshine days in October - Pierre, SD
  • Average sunshine days in October: 21.3 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is June (13.7 days).

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Average UV index in October
Pierre, SD

Average UV index in October - Pierre, SD
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in October
Pierre, SD

Average cloud cover in October - Pierre, SD
  • Average cloud cover in October: 30

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).

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Average visibility in October
Pierre, SD

Average visibility in October - Pierre, 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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