October weather forecastDuncombe, IA
October
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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 30min
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: 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: 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: 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: 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).





