October weather forecast
Diagonal, IA

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Weather in October

October, the same as September, is another refreshing autumn month in Diagonal, Iowa, with an average temperature fluctuating between 61.5°F (16.4°C) and 44.6°F (7°C).

Temperature

A decrease in the average high-temperature marks October, falling from September's warm 75.9°F (24.4°C) to an enjoyable 61.5°F (16.4°C). In October, Diagonal reports a consistent average low-temperature of 44.6°F (7°C) during the nights.

Humidity

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

Rainfall

In Diagonal, in October, during 9.5 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 126.9 rainfall days, and 22.6" (574mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, in Diagonal, there are 28.7 snowfall days, and 11.85" (301mm) of snow is accumulated.

Daylight

In Diagonal, the average length of the day in October is 11h and 6min.
On the first day of the month, sunrise is at 7:14 am and sunset at 6:58 pm. On the last day of October, sunrise is at 7:47 am and sunset at 6:14 pm CDT.

Sunshine

In Diagonal, the average sunshine in October is 5.8h.

UV index

In Diagonal, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index of 2 during October leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the temperature in October in Diagonal?

In Diagonal, in October, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 44.6°F (7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the least humid month in Diagonal?

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

What is the average humidity in October in Diagonal?

In Diagonal, Iowa, the average relative humidity in October is 71%.

How many days does it rain in October in Diagonal?

In Diagonal, in October, it is raining for 9.5 days, with typically 1.65" (42mm) of accumulated precipitation.

When does it start to snow in Diagonal?

October is the first month it typically snows in Diagonal. Throughout October, in the average 0.8 snowfall days, it receives 0.47" (12mm) of snow.

How many hours of daylight does Diagonal have in October?

In Diagonal, the average day length in October is 11h and 6min.

When is the sunrise / sunset in October in Diagonal?

On the first day of October in Diagonal, sunrise is at 7:14 am and sunset at 6:58 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 6:14 pm CDT.

How many hours of sunshine does Diagonal have in October?

In Diagonal, the average sunshine duration in October is 5.8h.

What is the UV index intensity in October in Diagonal?

The average daily maximum UV index in October in Diagonal 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
Diagonal, IA

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in October: 44.6°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in October
Diagonal, IA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in October
Diagonal, IA

Average wind speed in October - Diagonal, IA
  • Average wind speed in October: 9.3mph

The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).

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Average humidity in October
Diagonal, IA

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

The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
Diagonal, IA

Average rainfall in October - Diagonal, IA
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are February and December (0.71").

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Average rainfall days in October
Diagonal, IA

Average rainfall days in October - Diagonal, IA
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in October
Diagonal, IA

Average snowfall in October - Diagonal, IA
  • Average snowfall in October: 0.47"

The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Diagonal, IA

Average snowfall days in October - Diagonal, IA
  • Average snowfall days in October: 0.8 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Diagonal, 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in October
Diagonal, IA

Average sunshine days in October - Diagonal, IA
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is May (10.6 days).

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Average UV index in October
Diagonal, IA

Average UV index in October - Diagonal, 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).

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Average cloud cover in October
Diagonal, IA

Average cloud cover in October - Diagonal, IA
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Diagonal, IA

Average visibility in October - Diagonal, 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).

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Diagonal, Iowa, USA

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