October weather forecastGrayville, IL
October
Weather in October
October, like September, in Grayville, Illinois, is another enjoyable autumn month, with an average temperature varying between 67.1°F (19.5°C) and 49.6°F (9.8°C).Temperature
October is characterized by a reduction in the average high-temperature, from a warm 79.2°F (26.2°C) in September to a comfortable 67.1°F (19.5°C). Nighttime temperature lowers to an average of 49.6°F (9.8°C) in October.Humidity
With an average relative humidity of 69%, October is the least humid month.Rainfall
In Grayville, in October, during 11.1 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Grayville, during the entire year, the rain falls for 167.7 days and collects up to 38.23" (971mm) of precipitation.Snowfall
In Grayville, snow does not fall in May through October.Daylight
The average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 6:48 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:53 pm CDT.
Sunshine
The average sunshine in October is 6.7h.UV index
The average daily maximum UV index in October in Grayville is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in October interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grayville, IL
- Average high temperature in October: 67.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in October: 49.6°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in October
Grayville, IL
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Grayville, IL
- Average wind speed in October: 8.6mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in October
Grayville, IL
- Average humidity in October: 69%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in October
Grayville, IL
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in October
Grayville, IL
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in October
Grayville, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Grayville, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (6.6 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
Grayville, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Grayville, IL
- Average sunshine days in October: 18.2 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in October
Grayville, IL
- Average UV index in October: 3
The months with the highest UV index are May, 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
Grayville, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in October
Grayville, 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).
