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
O'Leary experiences a noticeable temperature shift with the start of October, with average high-temperatures moving from a moderately hot 74.3°F (23.5°C) in September to a moderate 58.1°F (14.5°C). During the nights in October, an average low-temperature of 42.6°F (5.9°C) is observed in O'Leary.Humidity
With an average relative humidity of 66%, October is the least humid month in O'Leary.Rainfall
In O'Leary, in October, it is raining for 8.6 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 114 rainfall days, and 21.46" (545mm) of precipitation is accumulated.Snowfall
Months with snowfall in O'Leary, Iowa, are January through April, October through December. October is the first month it typically snows in O'Leary. Throughout October, in the average 1.6 snowfall days, it receives 0.87" (22mm) of snow. Throughout the year, in O'Leary, there are 39.2 snowfall days, and 14.84" (377mm) 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 7:22 am and sunset at 7:04 pm. On the last day of October, sunrise is at 7:57 am and sunset at 6:17 pm CDT.
Sunshine
In O'Leary, the average sunshine in October is 6h.UV index
In October, the average daily maximum UV index in O'Leary is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 3 in October translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for O'Leary in October?
What is the least humid month in O'Leary?
What is the average humidity in October in O'Leary?
How many days does it rain in October in O'Leary?
When does it start snowing in O'Leary?
What is the average length of the day in October in O'Leary?
What time are sunrise and sunset in October in O'Leary?
How long on average sun shines in October in O'Leary?
What is the UV index reading in October in O'Leary?
Average temperature in October
O'Leary, IA
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (11.5°F).
Average pressure in October
O'Leary, 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
O'Leary, IA
- Average wind speed in October: 10.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in October
O'Leary, IA
- Average humidity in October: 66%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (66%).
Average rainfall in October
O'Leary, IA
- Average rainfall in October: 1.89"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in October
O'Leary, IA
- Average rainfall days in October: 8.6 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in October
O'Leary, IA
- Average snowfall in October: 0.87"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
O'Leary, IA
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
O'Leary, IA
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
O'Leary, IA
- Average sunshine days in October: 19.6 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in October
O'Leary, IA
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
O'Leary, IA
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in October
O'Leary, 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).
O'Leary, Iowa, USA
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