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Indianapolis, USA Weather Averages

July is the hottest month in Indianapolis with an average temperature of 24°C (75°F) and the coldest is January at -4°C (25°F) with the most daily sunshine hours at 10 in July. The wettest month is July with an average of 112mm of rain..

Average Temperature Indianapolis

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Indianapolis

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Indianapolis

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Indianapolis

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Indianapolis : Next 24-Hour Weather

Today - 1st April 2026

Sunrise 07:29

Sunrise

Sunset 20:09

Sunset
3:00
Patchy rain possible
16°C (61°F)
4:00
Patchy rain possible
15°C (58°F)
5:00
Patchy rain possible
13°C (55°F)
6:00
Patchy rain possible
15°C (58°F)
7:00
Fog
15°C (58°F)
8:00
Fog
14°C (57°F)
9:00
Fog
14°C (56°F)
10:00
Overcast
13°C (55°F)
11:00
Moderate or heavy rain with thunder
13°C (55°F)
12:00
Thundery outbreaks possible
13°C (55°F)
13:00
Thundery outbreaks possible
13°C (54°F)
14:00
Light rain shower
12°C (53°F)
15:00
Overcast
11°C (52°F)
16:00
Overcast
11°C (51°F)
17:00
Overcast
11°C (51°F)
18:00
Overcast
10°C (50°F)
19:00
Overcast
10°C (49°F)
20:00
Thundery outbreaks possible
9°C (48°F)
21:00
Thundery outbreaks possible
9°C (47°F)
22:00
Thundery outbreaks possible
11°C (51°F)
23:00
Patchy rain possible
10°C (49°F)

Tomorrow - 2nd April 2026

Sunrise 07:29

Sunrise

Sunset 20:09

Sunset
0:00
Light rain
9°C (48°F)
1:00
Light rain
9°C (48°F)
2:00
Cloudy
10°C (48°F)