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
With the beginning of October, Greenville's average high-temperature experiences a significant decrease, moving from a pleasant 72.9°F (22.7°C) in September to a mild 57.2°F (14°C). During October, the temperature in Greenville is averaged to a low of 42.1°F (5.6°C) at night.Humidity
October is the least humid month in Greenville, with an average relative humidity of 68%.Rainfall
In Greenville, in October, during 9.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Greenville, Iowa, during the entire year, the rain falls for 112.3 days and collects up to 15.31" (389mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Greenville. October is the first month it typically snows. Throughout October, in the average 1.5 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in Greenville, Iowa, there are 45.5 snowfall days, and 11.14" (283mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 1min.On the first day of October in Greenville, sunrise is at 7:18 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 6:13 pm CDT.
Sunshine
In Greenville, the average sunshine in October is 5.7h.UV index
In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 2 during October morphs into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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 in Greenville?
How much does it rain in Greenville in October?
When does it start to snow in Greenville?
What is the average length of the day in October in Greenville?
When are sunrise and sunset in October in Greenville?
How many hours of sunshine does Greenville have in October?
How high is the UV index in October in Greenville?
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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