October weather forecast
Lafayette, IL

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Weather in October

October, like September, in Lafayette, Illinois, is another enjoyable autumn month, with an average temperature ranging between min 45.5°F (7.5°C) and max 61.3°F (16.3°C).

Temperature

A shift in Lafayette's weather is observed as September turns into October, with the average high temperature reducing from a moderately hot 74.8°F (23.8°C) to a refreshing 61.3°F (16.3°C). The average low-temperature of 45.5°F (7.5°C) is witnessed in Lafayette during October.

Humidity

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

Rainfall

In Lafayette, in October, during 12.3 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, in Lafayette, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Lafayette. October is the first month it typically snows in Lafayette. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 37 snowfall days, and 12.91" (328mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 5min.
On the first day of October, sunrise is at 6:57 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:56 pm CDT.

Sunshine

The average sunshine in October is 5.6h.

UV index

In Lafayette, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum UV index of 3 in October translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Lafayette in October?

In October, the average high-temperature and low-temperature are 61.3°F (16.3°C) and 45.5°F (7.5°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the least humid month in Lafayette?

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

What is the average humidity in October in Lafayette?

In October, the average relative humidity in Lafayette is 72%.

How many days does it rain in October in Lafayette?

In Lafayette, Illinois, in October, during 12.3 rainfall days, 2.72" (69mm) of precipitation is typically accumulated.

When does it start to snow in Lafayette?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow.

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

The average day length in October in Lafayette, Illinois, is 11h and 5min.

What time are sunrise and sunset in October in Lafayette?

On the first day of October, sunrise is at 6:57 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:56 pm CDT.

How long on average sun shines in October in Lafayette?

In Lafayette, Illinois, the average sunshine duration in October is 5.6h.

What is the UV index reading in October in Lafayette?

In Lafayette, Illinois, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Lafayette, IL

Average temperature in October - Lafayette, IL
  • Average high temperature in October: 61.3°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in October
Lafayette, IL

Average pressure in October - Lafayette, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Lafayette, IL

Average wind speed in October - Lafayette, IL
  • Average wind speed in October: 9.4mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in October
Lafayette, IL

Average humidity in October - Lafayette, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in October
Lafayette, IL

Average rainfall in October - Lafayette, IL
  • Average rainfall in October: 2.72"

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

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Average rainfall days in October
Lafayette, IL

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

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

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Average snowfall in October
Lafayette, IL

Average snowfall in October - Lafayette, IL
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Lafayette, IL

Average snowfall days in October - Lafayette, IL
  • Average snowfall days in October: 0.5 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
Lafayette, IL

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Lafayette, IL

Average sunshine days in October - Lafayette, 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
Lafayette, IL

Average UV index in October - Lafayette, IL
  • Average UV index in October: 3

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

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Average cloud cover in October
Lafayette, IL

Average cloud cover in October - Lafayette, IL
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in October
Lafayette, IL

Average visibility in October - Lafayette, 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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Lafayette, Illinois, USA

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