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
The transition into October involves a decrease in the average high-temperature, falling from a moderately hot 81.1°F (27.3°C) in September to an enjoyable 67.8°F (19.9°C). In October, Grand Chain's temperature tends to fall to an average low of 49.6°F (9.8°C) during the night.Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Grand Chain, in October, during 7.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Grand Chain, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.Snowfall
In Grand Chain, snow does not fall in April through October.Daylight
In Grand Chain, the average length of the day in October is 11h and 13min.On the first day of October in Grand Chain, sunrise is at 6:52 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:59 pm CDT.
Sunshine
In Grand Chain, Illinois, the average sunshine in October is 6.5h.UV index
In Grand Chain, Illinois, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Take precautions - Protection against sun damage is advised. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What is the temperature in October in Grand Chain?
What is the least humid month in Grand Chain?
What is the average humidity in October in Grand Chain?
How much does it rain in Grand Chain in October?
When it does not snow in Grand Chain?
Does it snow in Grand Chain in October?
How many hours of daylight does Grand Chain have in October?
When is the sunrise / sunset in October in Grand Chain?
How long on average sun shines in October in Grand Chain?
What is the UV index intensity in October in Grand Chain?
Average temperature in October
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, IL
- Average daylight in October: 11h and 1min
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 3min
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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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
Grand Chain, 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).
Grand Chain, Illinois, USA
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