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

October signals a clear decrease in the average high-temperature, dropping from September's moderately hot 75.6°F (24.2°C) to a refreshing 59.9°F (15.5°C). Nightly temperatures drop to an average low of 43.5°F (6.4°C) in October.

Humidity

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

Rainfall

In South Sioux City, in October, during 8.5 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 102.3 rainfall days, and 12.91" (328mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. 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. Throughout the year, there are 31.1 snowfall days, and 6.85" (174mm) of snow is accumulated.

Daylight

In South Sioux City, the average length of the day in October is 11h and 2min.
On the first day of October, 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 moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the average October temperature?

The average high-temperature, in October, in South Sioux City, is 59.9°F (15.5°C), while the average low-temperature is 43.5°F (6.4°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in October?

In October, the average relative humidity is 65%.

How much does it rain in October?

In October, the rain falls for 8.5 days. Throughout October, 0.94" (24mm) of precipitation is accumulated.

When does it start to snow?

October is the first month it typically snows. 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?

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

When is the sunrise / sunset in October?

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 many hours of sunshine does South Sioux City have in October?

The average sunshine duration in October is 6.3h.

What is the UV index reading in October?

The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

South Sioux City, Nebraska, USA

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