October weather forecast
South Sioux City, NE

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Weather in October

The sweeping autumnal change continues to fashion South Sioux City's weather in October. From high temperatures around 59.9°F (15.5°C), a move toward winter characterizes the month. The progressive change from daylight of 12.5 hours in September to 11 hours in October makes it clear that winter is around the corner. The autumn hues in South Sioux City's parks and trails are a visual highlight as nature puts on its best display. Despite the shortening days and cooling climate, October remains a favored time for hikes and picnics.

Temperature

As South Sioux City transitions into October, a marked decrease in the average high-temperature is observed, dropping from a moderately hot 75.6°F (24.2°C) in September to a mild 59.9°F (15.5°C). The average temperature in South Sioux City drops to a frosty 43.5°F (6.4°C) during the night in the month of October.

Humidity

With an average relative humidity of 65%, October is the least humid month in South Sioux City.

Rainfall

In October, the rain falls for 8.5 days. Throughout October, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 102.3 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

Months with snowfall in South Sioux City are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow. In South Sioux City, during the entire year, snow falls for 31.1 days and aggregates up to 6.85" (174mm) of snow.

Daylight

The average length of the day in October is 11h and 2min.
On the first day of October in South Sioux City, sunrise is at 7:23 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:19 pm CDT.

Sunshine

In October, the average sunshine in South Sioux City is 6.3h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 3 during October translates into the following directions:
Be vigilant - Preventing sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Stay sun-safe with clothing that is both closely woven and worn loosely. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What are the temperatures in South Sioux City in October?

In South Sioux City, 59.9°F (15.5°C) is the average high-temperature and 43.5°F (6.4°C) is the average low-temperature during October. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is estimated at 87.8°F (31°C).

What is the least humid month in South Sioux City?

October is the least humid month, with an average relative humidity of 65%.

What is the average humidity in October in South Sioux City?

In South Sioux City, Nebraska, the average relative humidity in October is 65%.

How many days does it rain in October in South Sioux City?

In South Sioux City, Nebraska, during October, the rain falls for 8.5 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When does it start snowing in South Sioux City?

October is the first month it typically snows in South Sioux City. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does South Sioux City have in October?

The average day length in October is 11h and 2min.

What time are sunrise and sunset in October in South Sioux City?

In October, on the first day of the month, sunrise is at 7:23 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 6:19 pm CDT.

How long on average sun shines in October in South Sioux City?

In October, the average sunshine duration in South Sioux City is 6.3h.

What is the UV index reading in October in South Sioux City?

In October, the average daily maximum UV index in South Sioux City, Nebraska, 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
South Sioux City, NE

Average temperature in October - South Sioux City, NE
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 43.5°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 (13.5°F).

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Average pressure in October
South Sioux City, NE

Average pressure in October - South Sioux City, NE
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in October
South Sioux City, NE

Average wind speed in October - South Sioux City, NE
  • Average wind speed in October: 10.1mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

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Average humidity in October
South Sioux City, NE

Average humidity in October - South Sioux City, NE
  • Average humidity in October: 65%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in October
South Sioux City, NE

Average rainfall in October - South Sioux City, NE
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is June (1.85").
The driest months (with the least rainfall) are January and February (0.39").

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Average rainfall days in October
South Sioux City, NE

Average rainfall days in October - South Sioux City, NE
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is June (14.6 days).
The month with the least rainy days is January (2.6 days).

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Average snowfall in October
South Sioux City, NE

Average snowfall in October - South Sioux City, NE
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
South Sioux City, NE

Average snowfall days in October - South Sioux City, NE
  • Average snowfall days in October: 0.6 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
South Sioux City, NE

Average daylight in October / Average sunshine in October - South Sioux City, NE
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in October
South Sioux City, NE

Average sunshine days in October - South Sioux City, NE
  • Average sunshine days in October: 20.6 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (13.1 days).

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Average UV index in October
South Sioux City, NE

Average UV index in October - South Sioux City, NE
  • Average UV index in October: 3

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

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Average cloud cover in October
South Sioux City, NE

Average cloud cover in October - South Sioux City, NE
  • Average cloud cover in October: 33

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in October
South Sioux City, NE

Average visibility in October - South Sioux City, 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).

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South Sioux City, Nebraska, USA

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