October weather forecast
Armour, SD

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Weather in October

October in Armour is when the full swing of fall weather becomes palpable. The temperature cools further, creating the perfect stage for the seasonal riot of fall colors. The city turns into an artist's palette, splashed with shades of red, orange, and gold. Activities shift to appreciate the fall foliage, with local orchards and pumpkin patches drawing both residents and tourists. Amid sunny days and crisp evenings, Armour elegantly displays its autumnal splendor.

Temperature

Armour, South Dakota, in October sees a clear temperature decline, with average high-temperatures decreasing from a moderately hot 76.3°F (24.6°C) in September to a refreshing 59.7°F (15.4°C). In Armour, October's nights observe an average temperature dip to a cold 42.4°F (5.8°C).

Humidity

With an average relative humidity of 62%, October is the least humid month in Armour.

Rainfall

In October, in Armour, the rain falls for 7.7 days. Throughout October, 1.02" (26mm) of precipitation is accumulated. In Armour, during the entire year, the rain falls for 104.1 days and collects up to 14.29" (363mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Armour, there are 32.8 snowfall days, and 8.35" (212mm) of snow is accumulated.

Daylight

In October, the average length of the day in Armour, South Dakota, is 11h and 1min.
On the first day of October in Armour, sunrise is at 7:31 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 6:25 pm CDT.

Sunshine

The average sunshine in October in Armour is 6.6h.

UV index

In October, the average daily maximum UV index in Armour is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 3 during October translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Armour in October?

The high-temperature in Armour, South Dakota, during October is 59.7°F (15.4°C) and the low-temperature is 42.4°F (5.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 91.4°F (33°C).

What is the least humid month in Armour?

With an average relative humidity of 62%, October is the least humid month in Armour.

What is the average humidity in October in Armour?

In October, the average relative humidity in Armour, South Dakota, is 62%.

How much does it rain in Armour in October?

In Armour, South Dakota, in October, it is raining for 7.7 days, with typically 1.02" (26mm) of accumulated precipitation.

When does it start to snow in Armour?

October is the first month it typically snows in Armour, South Dakota. Throughout October, in the average 0.8 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Armour have in October?

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

When is the sunrise / sunset in October in Armour?

On the first day of October in Armour, South Dakota, sunrise is at 7:31 am and sunset at 7:13 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 6:25 pm CDT.

How many hours of sunshine does Armour have in October?

In October, the average sunshine duration in Armour, South Dakota, is 6.6h.

How high is the UV index in October in Armour?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from 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
Armour, SD

Average temperature in October - Armour, SD
  • Average high temperature in October: 59.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in October: 42.4°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 (13.6°F).

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Average pressure in October
Armour, SD

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in October
Armour, SD

Average wind speed in October - Armour, SD
  • Average wind speed in October: 10.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in October
Armour, SD

Average humidity in October - Armour, SD
  • Average humidity in October: 62%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in October
Armour, SD

Average rainfall in October - Armour, SD
  • Average rainfall in October: 1.02"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in October
Armour, SD

Average rainfall days in October - Armour, SD
  • Average rainfall days in October: 7.7 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in October
Armour, SD

Average snowfall in October - Armour, SD
  • Average snowfall in October: 0.08"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Armour, SD

Average snowfall days in October - Armour, SD
  • Average snowfall days in October: 0.8 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Armour, 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: 6h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in October
Armour, SD

Average sunshine days in October - Armour, SD
  • Average sunshine days in October: 20.7 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in October
Armour, SD

Average UV index in October - Armour, 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
Armour, SD

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

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in October
Armour, SD

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

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