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 onset of October, Greenville experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 77.9°F (25.5°C) in September to a comfortable 65.3°F (18.5°C). In Greenville, the average low-temperature during the month of October is a frosty 48.7°F (9.3°C).Humidity
The least humid month in Greenville, Illinois, is October, with an average relative humidity of 71%.Rainfall
In Greenville, in October, it is raining for 9.8 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, in Greenville, there are 137.9 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
In Greenville, Illinois, snow does not fall in April through October.Daylight
In October, the average length of the day in Greenville is 11h and 10min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:39 pm. On the last day of October, sunrise is at 7:24 am and sunset at 5:57 pm CDT.
Sunshine
The average sunshine in October is 6.3h.UV index
In Greenville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 3 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the temperature in October in Greenville?
What is the least humid month in Greenville?
What is the average humidity in October in Greenville?
How many days does it rain in October in Greenville?
When it does not snow in Greenville?
Does it snow in Greenville in October?
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, IL
- Average high temperature in October: 65.3°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in October: 48.7°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in October
Greenville, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Greenville, IL
- Average wind speed in October: 8.5mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in October
Greenville, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Greenville, IL
- Average rainfall in October: 1.77"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in October
Greenville, IL
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in October
Greenville, IL
- Average snowfall in October: 0"
The month with the highest snowfall is December (1.89").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Greenville, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Greenville, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).
Average sunshine days in October
Greenville, IL
- Average sunshine days in October: 19.3 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
Greenville, IL
- 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 January, February, November and December (UV index 2).
Average cloud cover in October
Greenville, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 29).
Average visibility in October
Greenville, IL
- 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, Illinois, USA
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