October weather forecast
Indianapolis, IN

The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape
The magnificent Monument Circle in Indianapolis, Indiana with the surrounding cityscape

Weather in October

October, like September, in Indianapolis, Indiana, is another comfortable autumn month, with an average temperature ranging between max 63.1°F (17.3°C) and min 47.3°F (8.5°C).

Temperature

In Indianapolis, the average high-temperature in October decreases from a warm 75.9°F (24.4°C) in September to a comfortable 63.1°F (17.3°C). In Indianapolis, the average low-temperature is 47.3°F (8.5°C).

Humidity

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

Rainfall

In Indianapolis, in October, it is raining for 11.1 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 146.4 rainfall days, and 21.14" (537mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Indianapolis, Indiana.

Daylight

In Indianapolis, the average length of the day in October is 11h and 8min.
On the first day of the month, sunrise is at 7:40 am and sunset at 7:27 pm. On the last day of October, in Indianapolis, sunrise is at 8:12 am and sunset at 6:44 pm EDT.

Sunshine

In October, the average sunshine in Indianapolis is 6.8h.

UV index

The months with the lowest UV index in Indianapolis are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in October interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Indianapolis?

In October, in Indianapolis, the average high-temperature is 63.1°F (17.3°C), and the average low-temperature is 47.3°F (8.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 86°F (30°C).

What is the least humid month in Indianapolis?

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

What is the average humidity in October in Indianapolis?

In Indianapolis, the average relative humidity in October is 73%.

How much does it rain in Indianapolis in October?

In October, the rain falls for 11.1 days. Throughout October, 1.46" (37mm) of precipitation is accumulated.

When it does not snow in Indianapolis?

May through October are months without snowfall in Indianapolis.

Does it snow in Indianapolis in October?

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

How many hours of daylight does Indianapolis have in October?

In October, the average day length in Indianapolis, Indiana, is 11h and 8min.

When is the sunrise / sunset in October in Indianapolis?

In October, on the first day of the month, sunrise is at 7:40 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 6:44 pm EDT.

How long on average sun shines in October in Indianapolis?

In October, the average sunshine duration in Indianapolis, Indiana, is 6.8h.

When is the lowest UV index in Indianapolis?

The months with the lowest UV index in Indianapolis, Indiana, are January, February, October through December, with an average maximum UV index of 2.

How high is the UV index in October in Indianapolis?

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

Average temperature in October
Indianapolis, IN

Average temperature in October - Indianapolis, IN
  • Average high temperature in October: 63.1°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in October
Indianapolis, IN

Average pressure in October - Indianapolis, IN
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Indianapolis, IN

Average wind speed in October - Indianapolis, IN
  • Average wind speed in October: 8.4mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in October
Indianapolis, IN

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

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in October
Indianapolis, IN

Average rainfall in October - Indianapolis, IN
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is February (1.22").

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Average rainfall days in October
Indianapolis, IN

Average rainfall days in October - Indianapolis, IN
  • Average rainfall days in October: 11.1 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in October
Indianapolis, IN

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

The month with the highest snowfall is December (2.28").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Indianapolis, IN

Average snowfall days in October - Indianapolis, IN
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (7.9 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
Indianapolis, IN

Average daylight in October / Average sunshine in October - Indianapolis, IN
  • Average daylight in October: 11h and 8min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in October: 6h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in October
Indianapolis, IN

Average sunshine days in October - Indianapolis, IN
  • Average sunshine days in October: 18.6 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in October
Indianapolis, IN

Average UV index in October - Indianapolis, IN
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in October
Indianapolis, IN

Average cloud cover in October - Indianapolis, IN
  • Average cloud cover in October: 36

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in October
Indianapolis, IN

Average visibility in October - Indianapolis, IN
  • 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).

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