October weather forecast
Viola, IA

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Weather in October

October, like September, is another mild autumn month in Viola, Iowa, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59.5°F (15.3°C).

Temperature

The start of October signals a decrease in the average high-temperature, transitioning from a warm 73.4°F (23°C) in September to a mild 59.5°F (15.3°C). During October, the temperature is averaged to a low of 43.7°F (6.5°C) at night.

Humidity

With an average relative humidity of 74%, October is the least humid month.

Rainfall

In Viola, in October, it is raining for 11.7 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Viola, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Viola, Iowa. October is the first month it typically snows in Viola. Throughout October, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 38.8 snowfall days, and 15.16" (385mm) of snow is accumulated.

Daylight

In October, the average length of the day in Viola is 11h and 4min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:46 pm. On the last day of October, in Viola, sunrise is at 7:38 am and sunset at 6:00 pm CDT.

Sunshine

The average sunshine in October is 5.3h.

UV index

The average daily maximum UV index in October in Viola, Iowa, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 2 during October morphs into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Viola?

The average high-temperature, in October, in Viola, is 59.5°F (15.3°C), while the average low-temperature is 43.7°F (6.5°C).

What is the least humid month in Viola?

The least humid month in Viola, Iowa, is October, with an average relative humidity of 74%.

What is the average humidity in October in Viola?

The average relative humidity in October is 74%.

How much does it rain in Viola in October?

In October, in Viola, the rain falls for 11.7 days. Throughout October, 2.44" (62mm) of precipitation is accumulated.

When does it start to snow in Viola?

October is the first month it typically snows in Viola, Iowa. Throughout October, in the average 0.5 snowfall days, it receives 0.24" (6mm) of snow.

How many hours of daylight does Viola have in October?

In October, the average day length in Viola, Iowa, is 11h and 4min.

When are sunrise and sunset in October in Viola?

On the first day of October in Viola, Iowa, sunrise is at 7:03 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:00 pm CDT.

How many hours of sunshine does Viola have in October?

In Viola, the average sunshine duration in October is 5.3h.

What is the UV index intensity in October in Viola?

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

Average temperature in October - Viola, IA
  • Average high temperature in October: 59.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in October: 43.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in October
Viola, IA

Average pressure in October - Viola, IA
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in October
Viola, IA

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

The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

Average humidity in October
Viola, IA

Average humidity in October - Viola, IA
  • Average humidity in October: 74%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).

Average rainfall in October
Viola, IA

Average rainfall in October - Viola, IA
  • Average rainfall in October: 2.44"

The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").

Average rainfall days in October
Viola, IA

Average rainfall days in October - Viola, IA
  • Average rainfall days in October: 11.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in October
Viola, IA

Average snowfall in October - Viola, IA
  • Average snowfall in October: 0.24"

The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Viola, IA

Average snowfall days in October - Viola, IA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Viola, IA

Average daylight in October / Average sunshine in October - Viola, 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: 5h and 2min

The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Viola, IA

Average sunshine days in October - Viola, IA
  • Average sunshine days in October: 17.7 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in October
Viola, IA

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Viola, IA

Average cloud cover in October - Viola, IA
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in October
Viola, IA

Average visibility in October - Viola, 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).

Viola, Iowa, USA

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