October weather forecast
Riverside, IA

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Weather in October

October, like September, in Riverside, Iowa, is another refreshing autumn month, with temperature in the range of an average high of 61.5°F (16.4°C) and an average low of 45.1°F (7.3°C).

Temperature

The onset of October entails a temperature shift, as the average high-temperature decreases from a moderately hot 75.4°F (24.1°C) in September to a comfortable 61.5°F (16.4°C). An average low-temperature of 45.1°F (7.3°C) is common during the nights of October.

Humidity

October is the least humid month, with an average relative humidity of 71%.

Rainfall

In October, in Riverside, the rain falls for 11.5 days. Throughout October, 2.52" (64mm) of precipitation is accumulated. In Riverside, Iowa, during the entire year, the rain falls for 144.7 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Riverside. Throughout October, in the average 0.4 snowfall days, it receives 0.63" (16mm) of snow. In Riverside, during the entire year, snow falls for 34.4 days and aggregates up to 14.61" (371mm) of snow.

Daylight

In October, the average length of the day in Riverside is 11h and 5min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:47 pm. On the last day of October, in Riverside, sunrise is at 7:37 am and sunset at 6:02 pm CDT.

Sunshine

In October, the average sunshine in Riverside is 5.6h.

UV index

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 2 in October leads to these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Riverside?

The high-temperature in Riverside, Iowa, during October is 61.5°F (16.4°C) and the low-temperature is 45.1°F (7.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the least humid month in Riverside?

With an average relative humidity of 71%, October is the least humid month in Riverside, Iowa.

What is the average humidity in October in Riverside?

The average relative humidity in October is 71%.

How much does it rain in Riverside in October?

In Riverside, Iowa, in October, during 11.5 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

When does it start to snow in Riverside?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.63" (16mm) of snow.

What is the average length of the day in October in Riverside?

The average day length in October is 11h and 5min.

When is the sunrise / sunset in October in Riverside?

In October, on the first day of the month, sunrise is at 7:03 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 6:02 pm CDT.

How many hours of sunshine does Riverside have in October?

The average sunshine duration in October is 5.6h.

What is the UV index intensity in October in Riverside?

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Riverside, IA

Average temperature in October - Riverside, IA
  • Average high temperature in October: 61.5°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in October: 45.1°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 (16.2°F).

Average pressure in October
Riverside, IA

Average pressure in October - Riverside, IA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in October
Riverside, IA

Average wind speed in October - Riverside, IA
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

Average humidity in October
Riverside, IA

Average humidity in October - Riverside, IA
  • Average humidity in October: 71%

The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Riverside, IA

Average rainfall in October - Riverside, IA
  • Average rainfall in October: 2.52"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is January (1.26").

Average rainfall days in October
Riverside, IA

Average rainfall days in October - Riverside, IA
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.8 days).

Average snowfall in October
Riverside, IA

Average snowfall in October - Riverside, IA
  • Average snowfall in October: 0.63"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Riverside, IA

Average snowfall days in October - Riverside, IA
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (9.8 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
Riverside, IA

Average daylight in October / Average sunshine in October - Riverside, IA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in October
Riverside, IA

Average sunshine days in October - Riverside, IA
  • Average sunshine days in October: 17.4 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (9.3 days).

Average UV index in October
Riverside, IA

Average UV index in October - Riverside, IA
  • Average UV index in October: 2

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

Average cloud cover in October
Riverside, IA

Average cloud cover in October - Riverside, IA
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in October
Riverside, IA

Average visibility in October - Riverside, IA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Riverside, Iowa, USA

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