October weather forecast
Lafayette, IN

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Weather in October

October presents a full immersion into fall with a noticeable drop in temperature and shorter daylight hours in Lafayette. Compared to September, the mercury sees a significant drop, sensing the highs at around 62.8°F (17.1°C). September’s warmth transitions into October's crisp mornings and cooler nights, characteristics of a classic Midwestern autumn. It is a time for pumpkin patches and apple picking, a Lafayette tradition, as the city is painted with vibrant autumn hues.

Temperature

October's arrival in Lafayette correlates with a reduction in the average high-temperature, down from a warm 75.6°F (24.2°C) in September to an enjoyable 62.8°F (17.1°C). During the month of October, an average low-temperature of 46.9°F (8.3°C) is recorded.

Humidity

October is the least humid month, with an average relative humidity of 73%.

Rainfall

In October, the rain falls for 12.2 days. Throughout October, 1.54" (39mm) of precipitation is accumulated. In Lafayette, Indiana, during the entire year, the rain falls for 153.1 days and collects up to 22.13" (562mm) of precipitation.

Snowfall

In Lafayette, snow does not fall in May through October.

Daylight

In Lafayette, the average length of the day in October is 11h and 7min.
On the first day of October in Lafayette, sunrise is at 7:44 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:45 pm EDT.

Sunshine

In Lafayette, the average sunshine in October is 6.5h.

UV index

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In October, an average UV index of 2 transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are the temperatures in Lafayette in October?

The high-temperature, in October, in Lafayette, records 62.8°F (17.1°C), while the low-temperature is 46.9°F (8.3°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the least humid month in Lafayette?

October is the least humid month in Lafayette, with an average relative humidity of 73%.

What is the average humidity in October in Lafayette?

The average relative humidity in October is 73%.

How many days does it rain in October in Lafayette?

In October, in Lafayette, the rain falls for 12.2 days. Throughout October, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Lafayette?

May through October are months without snowfall.

Does it snow in Lafayette in October?

In Lafayette, in October, it doesn't snow. In November, it regularly snows.

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

In Lafayette, Indiana, the average day length in October is 11h and 7min.

What time are sunrise and sunset in October in Lafayette?

On the first day of October, sunrise is at 7:44 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 8:17 am and sunset at 6:45 pm EDT.

How long on average sun shines in October in Lafayette?

In October, the average sunshine duration in Lafayette, Indiana, is 6.5h.

How high is the UV index in October in Lafayette?

In Lafayette, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Lafayette, IN

Average temperature in October - Lafayette, IN
  • Average high temperature in October: 62.8°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 (31.8°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in October
Lafayette, IN

Average pressure in October - Lafayette, IN
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Lafayette, IN

Average wind speed in October - Lafayette, IN
  • Average wind speed in October: 8.9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in October
Lafayette, IN

Average humidity in October - Lafayette, IN
  • Average humidity in October: 73%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in October
Lafayette, IN

Average rainfall in October - Lafayette, IN
  • Average rainfall in October: 1.54"

The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").

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Average rainfall days in October
Lafayette, IN

Average rainfall days in October - Lafayette, IN
  • Average rainfall days in October: 12.2 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in October
Lafayette, IN

Average snowfall in October - Lafayette, IN
  • Average snowfall in October: 0"

The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Lafayette, IN

Average snowfall days in October - Lafayette, IN
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (11.1 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
Lafayette, IN

Average daylight in October / Average sunshine in October - Lafayette, IN
  • 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 18min).

  • Average sunshine in October: 6h and 3min

The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Lafayette, IN

Average sunshine days in October - Lafayette, IN
  • Average sunshine days in October: 17.2 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in October
Lafayette, IN

Average UV index in October - Lafayette, IN
  • 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).

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Average cloud cover in October
Lafayette, IN

Average cloud cover in October - Lafayette, IN
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).

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Average visibility in October
Lafayette, IN

Average visibility in October - Lafayette, IN
  • 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, Indiana, USA

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