Which is the hottest month in Indianapolis?

The hottest time of year in Indianapolis is normally July. Expect maximum daytime temperatures to reach 30°C with moderate heat and humidity.

Which month has the most rain in Indianapolis?

In terms of rainfall, July is usually the wettest month in Indianapolis with 119mm on average. There are normally 10 days in July with some rain.

When is it sunniest in Indianapolis?

The sunniest time of year in Indianapolis is normally July with bright sunshine on average for 66% of daylight hours; that's 10 hours of sunshine per day.

Best time to visit Indianapolis

Q: When is the best time to visit Indianapolis?

The best times to visit Indianapolis, Indiana are in May, June and September Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 8 hours or more.

The best times to visit Indianapolis, Indiana are in May, June and September based on our default weather conditions. Update your weather preferences to see which months best match.

Indianapolis by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Indianapolis?

The best times to visit Indianapolis, Indiana are in May, June and September based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
2
Mar
3
Apr
5
May
5
Jun
4
Jul
4.5
Aug
5
Sep
3.5
Oct
1.5
Nov
1
Dec

Change criteria

Max Day Temperature (°C)

1
Jan
4
Feb
10
Mar
17
Apr
23
May
28
Jun
30
Jul
29
Aug
25
Sep
19
Oct
11
Nov
4
Dec

Hours of Sunshine (daily)

4
Jan
5
Feb
6
Mar
7
Apr
9
May
10
Jun
10
Jul
9
Aug
8
Sep
6
Oct
4
Nov
3
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Indiana (Indianapolis) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)