October weather forecastGrantfork, IL
October
Weather in October
October, like September, in Grantfork, Illinois, is another refreshing autumn month, with an average temperature varying between 48.9°F (9.4°C) and 65.7°F (18.7°C).Temperature
In October, the meteorological conditions alter, with the average high-temperature shifting from a warm 78.1°F (25.6°C) in September to an enjoyable 65.7°F (18.7°C). During the month of October, an average temperature of 48.9°F (9.4°C) is noted during the nights.Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Grantfork, in October, during 7.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 15.9 snowfall days, and 2.32" (59mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 10min.On the first day of October, sunrise is at 6:55 am and sunset at 6:40 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:59 pm CDT.
Sunshine
In October, the average sunshine is 6.3h.UV index
The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In October, a daily UV index of 3 turns into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grantfork, IL
- Average high temperature in October: 65.7°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in October: 48.9°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in October
Grantfork, 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
Grantfork, IL
- Average wind speed in October: 8.2mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Grantfork, IL
- Average humidity in October: 71%
The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Grantfork, IL
- Average rainfall in October: 1.02"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in October
Grantfork, IL
- Average rainfall days in October: 7.3 days
The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).
Average snowfall in October
Grantfork, IL
- Average snowfall in October: 0.04"
The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in October
Grantfork, IL
- Average snowfall days in October: 0.1 days
The months with the highest number of snowfall days are January and February (4.8 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
Grantfork, 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 30min).
- Average sunshine in October: 6h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in October
Grantfork, IL
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in October
Grantfork, 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
Grantfork, IL
- Average cloud cover in October: 32
The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).
Average visibility in October
Grantfork, 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).
