October weather forecast
Duncombe, IA

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Weather in October

October, the same as September, in Duncombe, Iowa, is a moderate autumn month, with temperature in the range of an average low of 43.7°F (6.5°C) and an average high of 59°F (15°C).

Temperature

The arrival of October signals a clear decrease in the average high-temperature, falling from a warm 74.3°F (23.5°C) in September to a refreshing 59°F (15°C). Throughout the month of October, the nighttime temperature dips to an average of 43.7°F (6.5°C).

Humidity

With an average relative humidity of 69%, October is the least humid month.

Rainfall

In Duncombe, in October, it is raining for 10.5 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 135.2 rainfall days, and 26.5" (673mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Duncombe are January through May, October through December. October is the first month it typically snows in Duncombe. Throughout October, in the average 0.9 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, in Duncombe, there are 41.8 snowfall days, and 16.61" (422mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 2min.
On the first day of the month, sunrise is at 7:13 am and sunset at 6:56 pm. On the last day of October, sunrise is at 7:49 am and sunset at 6:09 pm CDT.

Sunshine

In Duncombe, the average sunshine in October is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Duncombe in October?

Duncombe in October has an average high-temperature of 59°F (15°C) and an average low-temperature of 43.7°F (6.5°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the least humid month in Duncombe?

The least humid month in Duncombe, Iowa, is October, with an average relative humidity of 69%.

What is the average humidity in October in Duncombe?

In Duncombe, the average relative humidity in October is 69%.

How many days does it rain in October in Duncombe?

In Duncombe, Iowa, during October, the rain falls for 10.5 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When does it start snowing in Duncombe?

October is the first month it typically snows. Throughout October, in the average 0.9 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Duncombe have in October?

In Duncombe, the average day length in October is 11h and 2min.

What time are sunrise and sunset in October in Duncombe?

On the first day of October in Duncombe, sunrise is at 7:13 am and sunset at 6:56 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 6:09 pm CDT.

How many hours of sunshine does Duncombe have in October?

In October, the average sunshine duration in Duncombe, Iowa, is 5.5h.

How high is the UV index in October in Duncombe?

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Duncombe, IA

Average temperature in October - Duncombe, IA
  • Average high temperature in October: 59°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in October: 43.7°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in October
Duncombe, IA

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in October
Duncombe, IA

Average wind speed in October - Duncombe, IA
  • Average wind speed in October: 10mph

The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).

Average humidity in October
Duncombe, IA

Average humidity in October - Duncombe, IA
  • Average humidity in October: 69%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (69%).

Average rainfall in October
Duncombe, IA

Average rainfall in October - Duncombe, IA
  • Average rainfall in October: 2.17"

The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in October
Duncombe, IA

Average rainfall days in October - Duncombe, IA
  • Average rainfall days in October: 10.5 days

The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in October
Duncombe, IA

Average snowfall in October - Duncombe, IA
  • Average snowfall in October: 0.16"

The month with the highest snowfall is February (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Duncombe, IA

Average snowfall days in October - Duncombe, IA
  • Average snowfall days in October: 0.9 days

The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Duncombe, IA
  • Average daylight in October: 11h and 0min

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 6min).

  • Average sunshine in October: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in October
Duncombe, IA

Average sunshine days in October - Duncombe, IA
  • Average sunshine days in October: 18.1 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in October
Duncombe, IA

Average UV index in October - Duncombe, IA
  • Average UV index in October: 3

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

Average cloud cover in October
Duncombe, IA

Average cloud cover in October - Duncombe, IA
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in October
Duncombe, IA

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

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

Duncombe, Iowa, USA

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