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
A subtle decrease in the average high-temperature marks October, falling from September's moderately hot 73.6°F (23.1°C) to a moderate 60.6°F (15.9°C). The average temperature drops to a chilly 47.1°F (8.4°C) during the night in the month of October.Humidity
The least humid month is October, with an average relative humidity of 72%.Rainfall
In Merrionette Park, in October, during 12.8 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, in Merrionette Park, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows in Merrionette Park. Throughout October, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 42.4 snowfall days, and 11.61" (295mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 4min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, in Merrionette Park, sunrise is at 7:22 am and sunset at 5:46 pm CDT.
Sunshine
In Merrionette Park, the average sunshine in October is 5.9h.UV index
In Merrionette Park, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 2 suggests this advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What are October temperatures in Merrionette Park?
What is the least humid month in Merrionette Park?
What is the average humidity in October in Merrionette Park?
How many days does it rain in October in Merrionette Park?
When does it start snowing in Merrionette Park?
What is the average length of the day in October in Merrionette Park?
When are sunrise and sunset in October in Merrionette Park?
How long on average sun shines in October in Merrionette Park?
What is the UV index intensity in October in Merrionette Park?
Average temperature in October
Merrionette Park, IL
- Average high temperature in October: 60.6°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in October
Merrionette Park, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Merrionette Park, IL
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Merrionette Park, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Merrionette Park, IL
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.02").
Average rainfall days in October
Merrionette Park, IL
- Average rainfall days in October: 12.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Merrionette Park, IL
- Average snowfall in October: 0.2"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Merrionette Park, IL
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (11.8 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
Merrionette Park, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Merrionette Park, IL
- Average sunshine days in October: 14.9 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in October
Merrionette Park, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Merrionette Park, IL
- Average cloud cover in October: 41
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Merrionette Park, 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).
Merrionette Park, Illinois, USA
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