Spring (March–May): Average 7.4–19.1°C, mild but with fluctuating temperatures; rainfall is higher. Common activities: Outdoor walks, museum visits. Suggested clothing: Jacket, long-sleeved shirts, comfortable shoes.
Summer (June–August): Average 23.0–24.7°C, hot and humid with occasional thunderstorms. Common activities: Swimming, outdoor picnics, outdoor concerts. Suggested clothing: Light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 14.1–20.9°C, pleasant and comfortable, cool and dry; colorful autumn leaves are a feature. Common activities: Leaf viewing, hiking, farm visits. Suggested clothing: Light jacket, long-sleeved shirts, comfortable shoes.
Winter (December–February): Average -0.7–3.0°C, cold and dry with possible snowfall. Common activities: Indoor activities, museum visits, ice skating. Suggested clothing: Heavy coat, scarf, gloves, hat.
Weather in Indianapolis
Annual average temperature: approx. 13°C / Annual rainfall: approx. 956 mm / Summer humidity: 60%–70% / Rainiest month: July
Indianapolis weather by month
Month
Temperature (°C)
Rainfall (mm)
January
-0.7°C
85
February
3°C
74.3
March
7.4°C
111.7
April
12.2°C
122.7
May
19.1°C
100.7
June
23°C
40.3
July
24.7°C
132.3
August
23.8°C
80.3
September
20.9°C
44.7
October
14.1°C
38
November
7.7°C
53.3
December
2.7°C
73
7-day weather forecast for Indianapolis
11/12
Thursday
Patchy rain nearby
9.8°C/4.9°C
11/13
Friday
Patchy rain nearby
6.4°C/2.1°C
11/14
Saturday
Sunny
7.3°C/0.6°C
11/15
Sunday
Partly Cloudy
9.3°C/0.8°C
11/16
Monday
Sunny
10.4°C/1°C
11/17
Tuesday
Sunny
10.7°C/1.1°C
11/18
Wednesday
Sunny
11.9°C/1.8°C
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