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 October sets, the average high-temperature displays a significant decrease, moving down from an agreeable 72.9°F (22.7°C) in September to a refreshing 57.2°F (14°C). The temperature dips to an average of 42.1°F (5.6°C) during October nights.Humidity
The least humid month is October, with an average relative humidity of 68%.Rainfall
In Greenville, during October, the rain falls for 9.1 days and regularly aggregates up to 1.26" (32mm) of precipitation. Throughout the year, there are 112.3 rainfall days, and 15.31" (389mm) of precipitation is accumulated.Snowfall
Months with snowfall in Greenville are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.39" (10mm) of snow. In Greenville, during the entire year, snow falls for 45.5 days and aggregates up to 11.14" (283mm) of snow.Daylight
In Greenville, the average length of the day in October is 11h and 1min.On the first day of the month, sunrise is at 7:18 am and sunset at 7:01 pm. On the last day of October, sunrise is at 7:54 am and sunset at 6:13 pm CDT.
Sunshine
The average sunshine in October is 5.7h.UV index
In Greenville, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in October translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Greenville in October?
What is the least humid month in Greenville?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How many hours of sunshine does Greenville have in October?
What is the UV index intensity in October?
Average temperature in October
Greenville, IA
- Average high temperature in October: 57.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in October
Greenville, IA
- Average pressure in October: 29.99"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
Greenville, IA
- Average wind speed in October: 10.4mph
The windiest months (with the highest average wind speed) are January and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in October
Greenville, IA
- Average humidity in October: 68%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (68%).
Average rainfall in October
Greenville, IA
- Average rainfall in October: 1.26"
The wettest month (with the highest rainfall) is June (2.44").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in October
Greenville, IA
- Average rainfall days in October: 9.1 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in October
Greenville, IA
- Average snowfall in October: 0.39"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Greenville, IA
- Average snowfall days in October: 1.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Greenville, 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: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Greenville, IA
- Average sunshine days in October: 19.4 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in October
Greenville, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in October
Greenville, IA
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in October
Greenville, 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).
Greenville, Iowa, USA
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