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
Griggsville's October weather comes with a decrease in average high-temperatures, moving from a moderately hot 78.3°F (25.7°C) in September to a comfortable 64.2°F (17.9°C). Throughout the month of October, the average temperature in Griggsville dips to a chilly 47.3°F (8.5°C) at night.Humidity
October is the least humid month in Griggsville, with an average relative humidity of 71%.Rainfall
In Griggsville, in October, it is raining for 10 days, with typically 1.5" (38mm) of accumulated precipitation. In Griggsville, during the entire year, the rain falls for 128.8 days and collects up to 18.35" (466mm) of precipitation.Snowfall
In Griggsville, snow does not fall in May through October.Daylight
In October, the average length of the day in Griggsville is 11h and 8min.On the first day of October in Griggsville, Illinois, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:01 pm CDT.
Sunshine
In Griggsville, Illinois, the average sunshine in October is 5.8h.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 the average person.Note: A daily maximum UV index of 3 in October translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Griggsville in October?
What is the least humid month in Griggsville?
What is the average humidity in October in Griggsville?
How much does it rain in Griggsville in October?
When it does not snow in Griggsville?
Does it snow in Griggsville in October?
How many hours of daylight does Griggsville have in October?
When is the sunrise / sunset in October in Griggsville?
How many hours of sunshine does Griggsville have in October?
What is the UV index intensity in October in Griggsville?
Average temperature in October
Griggsville, IL
- Average high temperature in October: 64.2°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 (33.8°F).
- Average low temperature in October: 47.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in October
Griggsville, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Griggsville, IL
- Average wind speed in October: 8.5mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in October
Griggsville, IL
- Average humidity in October: 71%
The months with the highest relative humidity are June and July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Griggsville, IL
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in October
Griggsville, IL
- Average rainfall days in October: 10 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Griggsville, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Griggsville, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.3 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
Griggsville, 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 24min).
- Average sunshine in October: 5h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
Griggsville, IL
- Average sunshine days in October: 19.5 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in October
Griggsville, 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
Griggsville, IL
- Average cloud cover in October: 34
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
Griggsville, 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).
Griggsville, Illinois, USA
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