October weather forecast
North Sioux City, SD

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Weather in October

In October, North Sioux City witnesses a considerable decline in temperatures when compared to September, a trend that continues into November. This month is distinctly characterized by shorter daylight hours, clear skies, and crisp weather. October is when foliage takes on autumn hues, making it a picturesque time to visit. It's the threshold of winter as sunlight hours are steadily decreasing. The increase in wind speed from 9mph (14.5km/h) in the preceding month to 10.2mph (16.4km/h) in October characterises the month's weather.

Temperature

North Sioux City's October weather is characterized by a distinct downswing in high-temperatures, falling from September's warm 76.1°F (24.5°C) to a refreshing 59.9°F (15.5°C). In October, North Sioux City's temperature tends to fall to an average low of 43.3°F (6.3°C) during the night.

Humidity

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

Rainfall

In North Sioux City, in October, it is raining for 9.5 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 122 rainfall days, and 21.61" (549mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in North Sioux City. October is the first month it typically snows. Throughout October, in the average 0.7 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, in North Sioux City, there are 38 snowfall days, and 13.23" (336mm) of snow is accumulated.

Daylight

In October, the average length of the day in North Sioux City is 11h and 2min.
On the first day of the month, sunrise is at 7:23 am and sunset at 7:06 pm. On the last day of October, in North Sioux City, sunrise is at 7:59 am and sunset at 6:19 pm CDT.

Sunshine

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

UV index

In North Sioux City, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In October, the UV index of 3 transforms into the following advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in North Sioux City?

In North Sioux City, 59.9°F (15.5°C) is the average high-temperature and 43.3°F (6.3°C) is the average low-temperature during October. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the least humid month in North Sioux City?

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

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

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

How much does it rain in North Sioux City in October?

In North Sioux City, in October, during 9.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When does it start to snow in North Sioux City?

October is the first month it typically snows in North Sioux City, South Dakota. Throughout October, in the average 0.7 snowfall days, it receives 0.28" (7mm) of snow.

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

In October, the average day length in North Sioux City is 11h and 2min.

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

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 7:59 am and sunset at 6:19 pm CDT.

How many hours of sunshine does North Sioux City have in October?

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

What is the UV index intensity in October in North Sioux City?

In North Sioux City, South Dakota, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
76.1°F 24.5°C
59.9°F 15.5°C
45.9°F 7.7°C
Average low temperature
55°F 12.8°C
43.3°F 6.3°C
31.5°F -0.3°C
Average pressure
29.98" 761mmHg
30" 762mmHg
30.07" 764mmHg
Average wind speed
9mph 14.5km/h
10.2mph 16.4km/h
10.3mph 16.6km/h
Average max. wind speed
9.4mph 15.1km/h
11.1mph 17.9km/h
11.2mph 18km/h
Average wind speed gusts
14.6mph 23.5km/h
16.2mph 26.1km/h
16.6mph 26.7km/h
Average humidity
70%
65%
68%
Average rainfall
1.93" 49mm
1.85" 47mm
0.79" 20mm
Average rainfall days
11.8
9.5
6.1
Average snowfall
0" 0mm
0.28" 7mm
0.94" 24mm
Average snowfall days
0
0.7
3.4
Average daylight
12h 3min
11h 0min
9h 5min
Average sunshine
8h 5min
6h 2min
5h 5min
Average sunshine days
16.4
18.7
20.9
Average UV index
5
3
2
Average cloud cover
28%
33%
34%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in October
North Sioux City, SD

Average temperature in October - North Sioux City, SD
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 43.3°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 (13.1°F).

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Average pressure in October
North Sioux City, SD

Average pressure in October - North Sioux City, SD
  • 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
North Sioux City, SD

Average wind speed in October - North Sioux City, SD
  • Average wind speed in October: 10.2mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in October
North Sioux City, SD

Average humidity in October - North Sioux City, SD
  • Average humidity in October: 65%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).

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Average rainfall in October
North Sioux City, SD

Average rainfall in October - North Sioux City, SD
  • Average rainfall in October: 1.85"

The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").

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Average rainfall days in October
North Sioux City, SD

Average rainfall days in October - North Sioux City, SD
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).

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Average snowfall in October
North Sioux City, SD

Average snowfall in October - North Sioux City, SD
  • Average snowfall in October: 0.28"

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

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Average snowfall days in October
North Sioux City, SD

Average snowfall days in October - North Sioux City, SD
  • Average snowfall days in October: 0.7 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
North Sioux City, SD

Average daylight in October / Average sunshine in October - North Sioux City, 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: 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 24min).

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Average sunshine days in October
North Sioux City, SD

Average sunshine days in October - North Sioux City, SD
  • Average sunshine days in October: 18.7 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).

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Average UV index in October
North Sioux City, SD

Average UV index in October - North Sioux City, SD
  • 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
North Sioux City, SD

Average cloud cover in October - North Sioux City, SD
  • Average cloud cover in October: 33

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in October
North Sioux City, SD

Average visibility in October - North Sioux City, 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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North Sioux City, South Dakota, USA

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