Indianapolis, Indiana, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to Indianapolis, Indiana, United States of America? If you're planning to go to Indianapolis, this is some important information about when to go, what to wear, and what to pack.

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When to go to Indianapolis, Indiana, United States of America

Based on the climate and weather in Indianapolis, the best time to go is September. See below for details.

Important esssentials for Indianapolis, Indiana, United States of America

Here are some general tips on what to wear in Indianapolis, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Indianapolis, Indiana, United States of America by month

January

January in Indianapolis is frosty and somewhat rainy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain 5-10 days this month.

It also snows a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

February

February in Indianapolis can be brisk and somewhat rainy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C). It tends to rain about a third of the time.

It also snows once in a while. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

March

March in Indianapolis is pretty cool and somewhat rainy. The average overnight temperatures in the area are in the low 30s F (single digits C).

It tends to rain about half of the time. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

April

April in Indianapolis can be chilly and somewhat rainy. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

It tends to rain about a third of the time. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

May

In May, Indianapolis is balmy and somewhat rainy. Temperatures routinely are in the low 70s F (low 20s C) and about a third of the time jump into the low 80s F (high 20s C) range. At night, lows are in the low 50s F (low 10s C).

This is also a rainy time for Indianapolis, with several of the days of the month having rain. In May, humidity reaches as high as 60%.

What to wear/what to pack:

June

In June, Indianapolis is pretty consistently hot and somewhat rainy. Temperatures routinely are in the low 80s F (high 20s C) range. At night, lows are in the low 60s F (high 10s C).

This is also a rainy time for Indianapolis, with several of the days of the month having rain. In June, humidity reaches as high as 60%.

What to wear/what to pack:

July

In July, Indianapolis is pretty consistently hot and somewhat rainy. Temperatures routinely are in the 80s F (high 20s C) and occasionally jump into the low 90s F (low 30s C) range. At night, lows are in the 60s F (high 10s C).

This is also a rainy time for Indianapolis, with several of the days of the month having rain. In July, humidity reaches as high as 60%.

What to wear/what to pack:

August

If you vacation in Indianapolis during August, you may find that it is hot. Temperatures tend to hover around the 80s F (high 20s C) during the day, while at night they can dip into the 60s F (high 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

September

September in Indianapolis is warm. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 60s F (high 10s C) to high 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

October

If you vacation in Indianapolis during October, you might see that it is balmy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 40s F (single digits C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

November

If you visit Indianapolis during November, you may see that it can be brisk and somewhat rainy. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C).

Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

December

December in Indianapolis is pretty cool and somewhat rainy. The average overnight temperatures in the area are in the 20s F (single digits below 0 C). It tends to rain 5-10 days this month.

It also snows a bit less than half of the time. But the colder weather doesn't bring low humidity, which is in the 70% to 70% range on average.

What to wear/what to pack:

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