October weather forecast
Seymour, IL

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Weather in October

October, the same as September, is another refreshing autumn month in Seymour, Illinois, with an average temperature varying between 63.5°F (17.5°C) and 47.3°F (8.5°C).

Temperature

Welcoming October, Seymour observes a shift in the average high-temperature, falling from September's warm 76.1°F (24.5°C) to an enjoyable 63.5°F (17.5°C). Seymour's temperature lowers to a mean of 47.3°F (8.5°C) during the nights in October.

Humidity

With an average relative humidity of 70%, October is the least humid month.

Rainfall

In Seymour, in October, it is raining for 12.3 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, there are 152.9 rainfall days, and 29.72" (755mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Seymour. October is the first month it typically snows in Seymour. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. In Seymour, during the entire year, snow falls for 33.9 days and aggregates up to 11.81" (300mm) of snow.

Daylight

The average length of the day in October in Seymour is 11h and 8min.
On the first day of October, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:51 pm CDT.

Sunshine

The average sunshine in October in Seymour is 6.1h.

UV index

The average daily maximum UV index in October in Seymour, Illinois, is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the usual temperature for Seymour in October?

The high-temperature, in October, in Seymour, is 63.5°F (17.5°C), while the low-temperature averages to 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines relative humidity and air temperature, in July is estimated at 87.8°F (31°C).

What is the least humid month in Seymour?

October is the least humid month, with an average relative humidity of 70%.

What is the average humidity in October in Seymour?

In October, the average relative humidity is 70%.

How much does it rain in Seymour in October?

In Seymour, in October, during 12.3 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

When does it start snowing in Seymour?

October is the first month it typically snows in Seymour. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Seymour have in October?

In October, the average day length in Seymour, Illinois, is 11h and 8min.

When are sunrise and sunset in October in Seymour?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:35 pm. On the last day of the month, in Seymour, sunrise is at 7:22 am and sunset at 5:51 pm CDT.

How long on average sun shines in October in Seymour?

In Seymour, Illinois, the average sunshine duration in October is 6.1h.

What is the UV index reading in October in Seymour?

In Seymour, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Seymour, IL

Average temperature in October - Seymour, IL
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 47.3°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 (19.9°F).

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Average pressure in October
Seymour, IL

Average pressure in October - Seymour, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Seymour, IL

Average wind speed in October - Seymour, IL
  • Average wind speed in October: 9.6mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in October
Seymour, IL

Average humidity in October - Seymour, IL
  • Average humidity in October: 70%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in October
Seymour, IL

Average rainfall in October - Seymour, IL
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.65").

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Average rainfall days in October
Seymour, IL

Average rainfall days in October - Seymour, IL
  • Average rainfall days in October: 12.3 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in October
Seymour, IL

Average snowfall in October - Seymour, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is January (4.25").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Seymour, IL

Average snowfall days in October - Seymour, IL
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Seymour, IL
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in October
Seymour, IL

Average sunshine days in October - Seymour, IL
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in October
Seymour, IL

Average UV index in October - Seymour, 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).

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Average cloud cover in October
Seymour, IL

Average cloud cover in October - Seymour, IL
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in October
Seymour, IL

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

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

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Seymour, Illinois, USA

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