Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
As October arrives, River Sioux's weather displays a notable decrease in high-temperatures, falling from September's warm 76.5°F (24.7°C) to a refreshing 61°F (16.1°C). In the month of October, the average temperature dips to a chilly 44.6°F (7°C) during the night.Humidity
The least humid month in River Sioux is October, with an average relative humidity of 66%.Rainfall
In October, the rain falls for 10.1 days. Throughout October, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 125.1 rainfall days, and 22.64" (575mm) of precipitation is accumulated.Snowfall
January through May, 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 0.16" (4mm) of snow. Throughout the year, in River Sioux, there are 32.8 snowfall days, and 11.97" (304mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:05 pm. On the last day of October, sunrise is at 7:56 am and sunset at 6:19 pm CDT.
Sunshine
In River Sioux, the average sunshine in October is 6.1h.UV index
In River Sioux, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 3 in October transforms into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in River Sioux in October?
What is the least humid month in River Sioux?
What is the average humidity in October in River Sioux?
How much does it rain in River Sioux in October?
When does it start to snow in River Sioux?
What is the average length of the day in October in River Sioux?
When are sunrise and sunset in October in River Sioux?
How long on average sun shines in October in River Sioux?
What is the UV index reading in October in River Sioux?
Average temperature in October
River Sioux, IA
- Average high temperature in October: 61°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in October: 44.6°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in October
River Sioux, IA
- 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
River Sioux, IA
- Average wind speed in October: 9.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in October
River Sioux, IA
- Average humidity in October: 66%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (66%).
Average rainfall in October
River Sioux, IA
- Average rainfall in October: 2.24"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in October
River Sioux, IA
- Average rainfall days in October: 10.1 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in October
River Sioux, IA
- Average snowfall in October: 0.16"
The month with the highest snowfall is January (2.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
River Sioux, IA
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
River Sioux, IA
- Average daylight in October: 11h and 1min
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 12min).
- Average sunshine in October: 6h and 1min
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 42min).
Average sunshine days in October
River Sioux, IA
- Average sunshine days in October: 18.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in October
River Sioux, IA
- 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).
Average cloud cover in October
River Sioux, IA
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in October
River Sioux, IA
- 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).
River Sioux, Iowa, USA
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