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 from September to October sees a distinct decrease in the average high-temperature, dropping from a warm 76.1°F (24.5°C) to a refreshing 60.6°F (15.9°C). In October, Onawa encounters an average low-temperature of 44.4°F (6.9°C) during the night.Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 66%.Rainfall
In Onawa, Iowa, in October, during 10.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, in Onawa, there are 117.6 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows in Onawa, Iowa. Throughout October, in the average 0.9 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 32.9 snowfall days, and 11.69" (297mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 4min.On the first day of October in Onawa, sunrise is at 7:22 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 6:19 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
The average daily maximum UV index in October in Onawa is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during October translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are October temperatures in Onawa?
What is the least humid month in Onawa?
What is the average humidity in October in Onawa?
How much does it rain in Onawa in October?
When does it start to snow in Onawa?
How many hours of daylight does Onawa have in October?
When are sunrise and sunset in October in Onawa?
How long on average sun shines in October in Onawa?
What is the UV index reading in October in Onawa?
Average temperature in October
Onawa, IA
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in October: 44.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in October
Onawa, 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 (29.86"Hg).
Average wind speed in October
Onawa, IA
- Average wind speed in October: 9.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in October
Onawa, IA
- Average humidity in October: 66%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).
Average rainfall in October
Onawa, IA
- Average rainfall in October: 2.05"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in October
Onawa, IA
- Average rainfall days in October: 10.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in October
Onawa, IA
- Average snowfall in October: 0.16"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Onawa, IA
- Average snowfall days in October: 0.9 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Onawa, 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: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Onawa, IA
- Average sunshine days in October: 19 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in October
Onawa, IA
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in October
Onawa, IA
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in October
Onawa, 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).
Onawa, Iowa, USA
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