October weather forecast
South Yankton, NE

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Weather in October

October, like September, is another mild autumn month in South Yankton, Nebraska, with an average temperature ranging between max 59.4°F (15.2°C) and min 42.6°F (5.9°C).

Temperature

As South Yankton welcomes October, there is a noticeable shift in the average high-temperature, dropping from September's moderately hot 76.1°F (24.5°C) to a moderate 59.4°F (15.2°C). During the month of October, the temperature falls to an average of 42.6°F (5.9°C).

Humidity

The least humid month in South Yankton is October, with an average relative humidity of 64%.

Rainfall

In South Yankton, in October, during 9.3 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. In South Yankton, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow. In South Yankton, Nebraska, during the entire year, snow falls for 37.4 days and aggregates up to 14.45" (367mm) of snow.

Daylight

The average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 7:27 am and sunset at 7:10 pm. On the last day of October, sunrise is at 8:03 am and sunset at 6:22 pm CDT.

Sunshine

In October, the average sunshine in South Yankton is 6.4h.

UV index

In October, the average daily maximum UV index 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 ordinary individuals.
Note: The daily high UV index of 3 during October translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

During October, South Yankton experiences an average high-temperature of 59.4°F (15.2°C) and a low-temperature of 42.6°F (5.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 89.6°F (32°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 64%.

What is the average humidity in October?

The average relative humidity in October is 64%.

How much does it rain in October?

In October, the rain falls for 9.3 days. Throughout October, 1.73" (44mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.39" (10mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 2min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 7:27 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:22 pm CDT.

How long on average sun shines in October?

In South Yankton, the average sunshine duration in October is 6.4h.

What is the UV index intensity in October?

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
South Yankton, NE

Average temperature in October - South Yankton, NE
  • Average high temperature in October: 59.4°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in October: 42.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in October
South Yankton, NE

Average pressure in October - South Yankton, NE
  • 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).

Average wind speed in October
South Yankton, NE

Average wind speed in October - South Yankton, NE
  • 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 (7.9mph).

Average humidity in October
South Yankton, NE

Average humidity in October - South Yankton, NE
  • Average humidity in October: 64%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

Average rainfall in October
South Yankton, NE

Average rainfall in October - South Yankton, NE
  • Average rainfall in October: 1.73"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in October
South Yankton, NE

Average rainfall days in October - South Yankton, NE
  • Average rainfall days in October: 9.3 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

Average snowfall in October
South Yankton, NE

Average snowfall in October - South Yankton, NE
  • Average snowfall in October: 0.39"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
South Yankton, NE

Average snowfall days in October - South Yankton, NE
  • Average snowfall days in October: 0.8 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, August and September (0 days).

Average daylight in October /
Average sunshine in October
South Yankton, NE

Average daylight in October / Average sunshine in October - South Yankton, NE
  • 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: 6h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in October
South Yankton, NE

Average sunshine days in October - South Yankton, NE
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in October
South Yankton, NE

Average UV index in October - South Yankton, NE
  • 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 January (UV index 1).

Average cloud cover in October
South Yankton, NE

Average cloud cover in October - South Yankton, NE
  • Average cloud cover in October: 32

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

Average visibility in October
South Yankton, NE

Average visibility in October - South Yankton, NE
  • 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).

South Yankton, Nebraska, USA

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