October weather forecast
Mount Union, IA

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Weather in October

October, like September, in Mount Union, Iowa, is another enjoyable autumn month, with an average temperature varying between 61.7°F (16.5°C) and 45.7°F (7.6°C).

Temperature

A clear reduction in the average high-temperature marks the arrival of October, falling from a moderately hot 76.3°F (24.6°C) in September to a refreshing 61.7°F (16.5°C). Mount Union throughout October, records an average low-temperature of 45.7°F (7.6°C).

Humidity

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

Rainfall

In Mount Union, in October, during 11.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 140.1 rainfall days, and 29.92" (760mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 30.7 snowfall days, and 15" (381mm) of snow is accumulated.

Daylight

In Mount Union, the average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 7:02 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:36 am and sunset at 6:02 pm CDT.

Sunshine

In Mount Union, the average sunshine in October is 5.4h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index, 2 during October, leads to the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

During October, Mount Union experiences an average high-temperature of 61.7°F (16.5°C) and a low-temperature of 45.7°F (7.6°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the least humid month?

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

What is the average humidity in October?

The average relative humidity in October is 71%.

How much does it rain in October?

In Mount Union, during October, the rain falls for 11.3 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.4 snowfall days, it receives 0.51" (13mm) of snow.

What is the average length of the day in October in Mount Union?

In Mount Union, Iowa, the average day length in October is 11h and 5min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:02 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 6:02 pm CDT.

How long on average sun shines in October in Mount Union?

In October, the average sunshine duration is 5.4h.

How high is the UV index in October?

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Mount Union, IA

Average temperature in October - Mount Union, IA
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in October: 45.7°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).

Average pressure in October
Mount Union, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in October
Mount Union, IA

Average wind speed in October - Mount Union, 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
Mount Union, IA

Average humidity in October - Mount Union, IA
  • Average humidity in October: 71%

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

Average rainfall in October
Mount Union, IA

Average rainfall in October - Mount Union, IA
  • Average rainfall in October: 2.4"

The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").

Average rainfall days in October
Mount Union, IA

Average rainfall days in October - Mount Union, IA
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).

Average snowfall in October
Mount Union, IA

Average snowfall in October - Mount Union, IA
  • Average snowfall in October: 0.51"

The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Mount Union, IA

Average snowfall days in October - Mount Union, IA
  • Average snowfall days in October: 0.4 days

The month with the highest number of snowfall days is January (9.6 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
Mount Union, IA

Average daylight in October / Average sunshine in October - Mount Union, 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 18min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in October
Mount Union, IA

Average sunshine days in October - Mount Union, IA
  • Average sunshine days in October: 18.4 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in October
Mount Union, IA

Average UV index in October - Mount Union, IA
  • Average UV index in October: 2

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in October
Mount Union, IA

Average cloud cover in October - Mount Union, IA
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).

Average visibility in October
Mount Union, IA

Average visibility in October - Mount Union, 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).

Mount Union, Iowa, USA

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