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 onset of October marks a clear decrease in the average high-temperature, dropping from a moderately hot 74.5°F (23.6°C) in September to a mild 59.2°F (15.1°C). Charter Oak's nights in October cool down to an average low-temperature of 43.7°F (6.5°C).Humidity
The months with the lowest humidity in Charter Oak are April and October, with an average relative humidity of 68%.Rainfall
In October, the rain falls for 10.4 days. Throughout October, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Charter Oak, there are 123 rainfall days, and 24.72" (628mm) of precipitation is accumulated.Snowfall
Months with snowfall 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 Charter Oak, there are 36.8 snowfall days, and 14.53" (369mm) of snow is accumulated.Daylight
In Charter Oak, the average length of the day in October is 11h and 4min.On the first day of October in Charter Oak, sunrise is at 7:20 am and sunset at 7:03 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:17 pm CDT.
Sunshine
In Charter Oak, the average sunshine in October is 5.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Charter Oak?
What are the least humid months in Charter Oak?
What is the average humidity in October in Charter Oak?
How many days does it rain in October in Charter Oak?
When does it start to snow in Charter Oak?
How many hours of daylight does Charter Oak have in October?
What time are sunrise and sunset in October in Charter Oak?
How many hours of sunshine does Charter Oak have in October?
How high is the UV index in October in Charter Oak?
Average temperature in October
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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
Charter Oak, 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).
Charter Oak, Iowa, USA
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