October weather forecast
Missouri Valley, IA

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Weather in October

October, like September, in Missouri Valley, Iowa, is another comfortable autumn month, with an average temperature ranging between max 61°F (16.1°C) and min 45°F (7.2°C).

Temperature

The shift from September to October sees a distinct decrease in the average high-temperature, dropping from a moderately hot 76.8°F (24.9°C) to a refreshing 61°F (16.1°C). During October, Missouri Valley records a consistent average nighttime temperature of 45°F (7.2°C).

Humidity

With an average relative humidity of 66%, October is the least humid month in Missouri Valley.

Rainfall

In Missouri Valley, in October, it is raining for 8.9 days, with typically 1.38" (35mm) of accumulated precipitation. In Missouri Valley, during the entire year, the rain falls for 108.1 days and collects up to 16.1" (409mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. In Missouri Valley, during the entire year, snow falls for 27.6 days and aggregates up to 7.28" (185mm) of snow.

Daylight

In October, the average length of the day is 11h and 5min.
On the first day of October, sunrise is at 7:21 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 6:19 pm CDT.

Sunshine

In October, the average sunshine in Missouri Valley is 6.1h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in October interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

October temperatures vary between a high-temperature of 61°F (16.1°C) and a low-temperature of 45°F (7.2°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 87.8°F (31°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 66%.

What is the average humidity in October?

The average relative humidity in October is 66%.

How much does it rain in October?

In Missouri Valley, in October, during 8.9 rainfall days, 1.38" (35mm) of precipitation is typically 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 0.2" (5mm) of snow.

What is the average length of the day in October in Missouri Valley?

In October, the average day length is 11h and 5min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:21 am and sunset at 7:04 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 6:19 pm CDT.

How many hours of sunshine does Missouri Valley have in October?

In Missouri Valley, the average sunshine duration in October is 6.1h.

What is the month with the lowest UV index?

January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in October?

The average daily maximum UV index in October in Missouri Valley is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Missouri Valley, IA

Average temperature in October - Missouri Valley, IA
  • Average high temperature in October: 61°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in October: 45°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
Missouri Valley, IA

Average pressure in October - Missouri Valley, 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
Missouri Valley, IA

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

The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

Average humidity in October
Missouri Valley, IA

Average humidity in October - Missouri Valley, 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
Missouri Valley, IA

Average rainfall in October - Missouri Valley, IA
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is January (0.39").

Average rainfall days in October
Missouri Valley, IA

Average rainfall days in October - Missouri Valley, IA
  • Average rainfall days in October: 8.9 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in October
Missouri Valley, IA

Average snowfall in October - Missouri Valley, IA
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Missouri Valley, IA

Average snowfall days in October - Missouri Valley, IA
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Missouri Valley, IA

Average daylight in October / Average sunshine in October - Missouri Valley, 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: 6h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in October
Missouri Valley, IA

Average sunshine days in October - Missouri Valley, IA
  • Average sunshine days in October: 20 days

The month with the most sunshine days is December (22.7 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in October
Missouri Valley, IA

Average UV index in October - Missouri Valley, IA
  • Average UV index in October: 2

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, October, November and December (UV index 2).

Average cloud cover in October
Missouri Valley, IA

Average cloud cover in October - Missouri Valley, IA
  • Average cloud cover in October: 33

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in October
Missouri Valley, IA

Average visibility in October - Missouri Valley, 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).

Missouri Valley, Iowa, USA

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