October weather forecast
Herrick, SD

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Weather in October

October, like September, is a moderate autumn month in Herrick, South Dakota, with an average temperature ranging between min 42.8°F (6°C) and max 59.2°F (15.1°C).

Temperature

The onset of October witnesses a clear shift in the average high-temperature, dropping from a moderately hot 76.6°F (24.8°C) in September to a moderate 59.2°F (15.1°C). An average minimum temperature of 42.8°F (6°C) marks the month of October in Herrick.

Humidity

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

Rainfall

In Herrick, in October, during 8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Herrick, there are 103.9 rainfall days, and 16.85" (428mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 0.63" (16mm) of snow. In Herrick, during the entire year, snow falls for 39.7 days and aggregates up to 14.45" (367mm) of snow.

Daylight

The average length of the day in October in Herrick is 11h and 1min.
On the first day of the month, sunrise is at 7:34 am and sunset at 7:17 pm. On the last day of October, sunrise is at 8:11 am and sunset at 6:29 pm CDT.

Sunshine

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

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 3 during October translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What is the temperature in October in Herrick?

The high-temperature, in October, in Herrick, is 59.2°F (15.1°C), while the low-temperature averages to 42.8°F (6°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is calculated to be 89.6°F (32°C).

What is the average humidity in October in Herrick?

In October, the average relative humidity is 59%.

How many days does it rain in October in Herrick?

In Herrick, in October, during 8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

When does it start to snow in Herrick?

October is the first month it typically snows in Herrick, South Dakota. Throughout October, in the average 1.6 snowfall days, it receives 0.63" (16mm) of snow.

How many hours of daylight does Herrick have in October?

In Herrick, the average day length in October is 11h and 1min.

What time are sunrise and sunset in October in Herrick?

On the first day of October, sunrise is at 7:34 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:29 pm CDT.

How many hours of sunshine does Herrick have in October?

In Herrick, South Dakota, the average sunshine duration in October is 7h.

What is the UV index intensity in October in Herrick?

In October, the average daily maximum UV index in Herrick 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Herrick, SD

Average temperature in October - Herrick, SD
  • Average high temperature in October: 59.2°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 42.8°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

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Average pressure in October
Herrick, SD

Average pressure in October - Herrick, 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
Herrick, SD

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

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

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Average humidity in October
Herrick, SD

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

The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are August and September (57%).

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Average rainfall in October
Herrick, SD

Average rainfall in October - Herrick, SD
  • Average rainfall in October: 1.3"

The wettest month (with the highest rainfall) is June (2.8").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in October
Herrick, SD

Average rainfall days in October - Herrick, SD
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).

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Average snowfall in October
Herrick, SD

Average snowfall in October - Herrick, SD
  • Average snowfall in October: 0.63"

The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Herrick, SD

Average snowfall days in October - Herrick, SD
  • Average snowfall days in October: 1.6 days

The month with the highest number of snowfall days is January (9.6 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
Herrick, SD

Average daylight in October / Average sunshine in October - Herrick, 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 6min).

  • Average sunshine in October: 7h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

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Average sunshine days in October
Herrick, SD

Average sunshine days in October - Herrick, SD
  • Average sunshine days in October: 20 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.2 days).

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Average UV index in October
Herrick, SD

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Herrick, SD

Average cloud cover in October - Herrick, SD
  • Average cloud cover in October: 29

The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 20).

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Average visibility in October
Herrick, SD

Average visibility in October - Herrick, 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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Herrick, South Dakota, USA

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