Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The shift into October is marked by a noticeable reduction in the average high-temperature, decreasing from September's warm 74.5°F (23.6°C) to a moderate 59.2°F (15.1°C). In October, Defiance experiences a temperature dip to an average of 43.7°F (6.5°C) at night.Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 68%.Rainfall
In Defiance, in October, during 10.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Defiance, during the entire year, the rain falls for 123 days and collects up to 24.72" (628mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.8 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 36.8 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
In Defiance, the average length of the day in October is 11h and 4min.On the first day of the month, sunrise is at 7:19 am and sunset at 7:02 pm. On the last day of October, sunrise is at 7:53 am and sunset at 6:16 pm CDT.
Sunshine
In October, the average sunshine is 5.8h.UV index
In Defiance, Iowa, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average October temperature?
What is the least humid month in Defiance?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October in Defiance?
When are sunrise and sunset in October?
How many hours of sunshine does Defiance have in October?
What is the UV index intensity in October?
Average temperature in October
Defiance, IA
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in October: 43.7°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in October
Defiance, 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 (29.87"Hg).
Average wind speed in October
Defiance, IA
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in October
Defiance, IA
- Average humidity in October: 68%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in October
Defiance, IA
- Average rainfall in October: 2.09"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in October
Defiance, IA
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in October
Defiance, IA
- Average snowfall in October: 0.12"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Defiance, IA
- Average snowfall days in October: 0.8 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Defiance, IA
- Average daylight in October: 11h and 1min
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 12min).
- 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 12min).
Average sunshine days in October
Defiance, IA
- Average sunshine days in October: 18.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is June (11.9 days).
Average UV index in October
Defiance, 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 February (UV index 1).
Average cloud cover in October
Defiance, IA
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in October
Defiance, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Defiance, Iowa, USA
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