October weather forecast
Merrionette Park, IL

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Weather in October

October, the same as September, in Merrionette Park, Illinois, is a moderate autumn month, with an average temperature varying between 47.1°F (8.4°C) and 60.6°F (15.9°C).

Temperature

Merrionette Park's October weather features a mild decline in high-temperatures, reducing from a warm 73.6°F (23.1°C) in September to a moderate 60.6°F (15.9°C). In Merrionette Park, the average low-temperature during the month of October is a frosty 47.1°F (8.4°C).

Humidity

With an average relative humidity of 72%, October is the least humid month.

Rainfall

In Merrionette Park, in October, it is raining for 12.8 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 147.7 rainfall days, and 23.62" (600mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. 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, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

Sunshine

In October, the average sunshine 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 exposure to the Sun's UV radiation for average individuals.
Note: A typical high UV index of 2 in October suggests the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.

Frequently asked questions

What are October temperatures in Merrionette Park?

In October, the average high-temperature and low-temperature are 60.6°F (15.9°C) and 47.1°F (8.4°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 86°F (30°C).

What is the least humid month?

With an average relative humidity of 72%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 72%.

How much does it rain in October?

In Merrionette Park, during October, the rain falls for 12.8 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When does it start to snow?

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.

What is the average length of the day in October?

The average day length in October is 11h and 4min.

What time are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

How long on average sun shines in October in Merrionette Park?

In Merrionette Park, the average sunshine duration in October is 5.9h.

What is the UV index reading in October?

In Merrionette Park, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Merrionette Park, IL

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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