October weather forecastGrantsburg, IL
October
Weather in October
October, the same as September, is another refreshing autumn month in Grantsburg, Illinois, with an average temperature varying between 49.6°F (9.8°C) and 67.8°F (19.9°C).Temperature
October shows a mild decline in the average high-temperature, falling from September's moderately hot 81.1°F (27.3°C) to a comfortable 67.8°F (19.9°C). The mean low-temperature during October nights is a frosty 49.6°F (9.8°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In October, the rain falls for 7.5 days. Throughout October, 0.98" (25mm) of precipitation is accumulated. In Grantsburg, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in October is 11h and 13min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:37 pm. On the last day of October, sunrise is at 7:19 am and sunset at 5:57 pm CDT.
Sunshine
In October, the average sunshine in Grantsburg is 6.5h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 3 in October transforms into this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Grantsburg, IL
- Average high temperature in October: 67.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in October: 49.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in October
Grantsburg, IL
- Average pressure in October: 30.05"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
Grantsburg, IL
- Average wind speed in October: 7.6mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Grantsburg, IL
- Average humidity in October: 71%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Grantsburg, IL
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in October
Grantsburg, IL
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall in October
Grantsburg, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Grantsburg, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (3.3 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
Grantsburg, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in October
Grantsburg, IL
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in October
Grantsburg, 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 and December (UV index 2).
Average cloud cover in October
Grantsburg, IL
- Average cloud cover in October: 33
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in October
Grantsburg, 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).
