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
As Defiance steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's warm 74.5°F (23.6°C) to a moderate 59.2°F (15.1°C). Defiance records a steady low-temperature average of 43.7°F (6.5°C) during October.Humidity
April and October, with an average relative humidity of 68%, are the least humid months in Defiance.Rainfall
In Defiance, Iowa, during October, the rain falls for 10.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 123 rainfall days, and 24.72" (628mm) of precipitation is accumulated.Snowfall
Months with snowfall in Defiance 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 0.12" (3mm) of snow. Throughout the year, in Defiance, there are 36.8 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of October in Defiance, sunrise is at 7:19 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:16 pm CDT.
Sunshine
In Defiance, Iowa, the average sunshine in October is 5.8h.UV index
The average daily maximum UV index in October in Defiance, Iowa, is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in October translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average October temperature in Defiance?
What are the least humid months in Defiance?
What is the average humidity in October in Defiance?
How much does it rain in Defiance in October?
When does it start snowing in Defiance?
How many hours of daylight does Defiance have in October?
When is the sunrise / sunset in October in Defiance?
How long on average sun shines in October in Defiance?
What is the UV index intensity in October in Defiance?
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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