October weather forecast
Mettawa, IL

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Weather in October

October, the same as September, in Mettawa, Illinois, is a moderate autumn month, with an average temperature ranging between min 45.5°F (7.5°C) and max 59.2°F (15.1°C).

Temperature

The onset of October comes with a shift in the average high-temperature, falling from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.2°F (15.1°C). During October, the nighttime temperature averages to a chilly 45.5°F (7.5°C).

Humidity

With an average relative humidity of 74%, October is the least humid month in Mettawa.

Rainfall

In Mettawa, in October, it is raining for 13.5 days, with typically 2.36" (60mm) of accumulated precipitation. In Mettawa, Illinois, during the entire year, the rain falls for 147.3 days and collects up to 27.44" (697mm) of precipitation.

Snowfall

Months with snowfall in Mettawa are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. In Mettawa, during the entire year, snow falls for 48.2 days and aggregates up to 18.86" (479mm) of snow.

Daylight

In Mettawa, the average length of the day in October is 11h and 3min.
On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in October leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the usual temperature for Mettawa in October?

Mettawa in October has an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 45.5°F (7.5°C).

What is the least humid month in Mettawa?

October is the least humid month in Mettawa, with an average relative humidity of 74%.

What is the average humidity in October in Mettawa?

The average relative humidity in October in Mettawa, Illinois, is 74%.

How much does it rain in Mettawa in October?

In Mettawa, Illinois, during October, the rain falls for 13.5 days and regularly aggregates up to 2.36" (60mm) of precipitation.

When does it start snowing in Mettawa?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow.

What is the average length of the day in October in Mettawa?

The average day length in October in Mettawa, Illinois, is 11h and 3min.

What time are sunrise and sunset in October in Mettawa?

On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.

How long on average sun shines in October in Mettawa?

The average sunshine duration in October is 5.5h.

How high is the UV index in October in Mettawa?

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

Average temperature in October
Mettawa, IL

Average temperature in October - Mettawa, IL
  • Average high temperature in October: 59.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in October
Mettawa, IL

Average pressure in October - Mettawa, IL
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Mettawa, IL

Average wind speed in October - Mettawa, IL
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in October
Mettawa, IL

Average humidity in October - Mettawa, IL
  • Average humidity in October: 74%

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in October
Mettawa, IL

Average rainfall in October - Mettawa, IL
  • Average rainfall in October: 2.36"

The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").

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Average rainfall days in October
Mettawa, IL

Average rainfall days in October - Mettawa, IL
  • Average rainfall days in October: 13.5 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in October
Mettawa, IL

Average snowfall in October - Mettawa, IL
  • Average snowfall in October: 0.31"

The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Mettawa, IL

Average snowfall days in October - Mettawa, IL
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Mettawa, IL

Average daylight in October / Average sunshine in October - Mettawa, 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 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in October
Mettawa, IL

Average sunshine days in October - Mettawa, IL
  • Average sunshine days in October: 14.4 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).

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Average UV index in October
Mettawa, IL

Average UV index in October - Mettawa, IL
  • Average UV index in October: 2

The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in October
Mettawa, IL

Average cloud cover in October - Mettawa, IL
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).

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Average visibility in October
Mettawa, IL

Average visibility in October - Mettawa, IL
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

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Mettawa, Illinois, USA

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