May
Best time
23°C / 12.6°C
14 rain days
warm, rainy
- comfortable temperatures (avg high 23°C / 73°F)
- outside peak hazard season
Best time to visit Indianapolis
Indianapolis, United States — ranked month by month from data: temperature, rainfall, snow, and peak hazard seasons. The standouts: May, April, June.
Best months to visit
April
Best time
17.2°C / 6.2°C
12 rain days
mild, rainy
- outside peak hazard season
June
Best time
28°C / 17.7°C
12 rain days
hot, rainy
- outside peak hazard season
- warm evenings without humidity overload
July
Best time
29.1°C / 19.5°C
13 rain days
hot, rainy
- outside peak hazard season
- warm evenings without humidity overload
OK — shoulder months
November
OK
10.8°C / 2.2°C
8 rain days
cool
- manageable rain (8 days)
- outside peak hazard season
March
OK
11.2°C / 0.8°C
12 rain days
cool, rainy
- outside peak hazard season
December
OK
6.6°C / -1.2°C
10 rain days
chilly, freezing nights, rainy
- manageable rain (10 days)
- outside peak hazard season
February
OK
5.5°C / -4.3°C
10 rain days
chilly, freezing nights, rainy
- manageable rain (10 days)
- outside peak hazard season
Months to skip
January
Skip
3.1°C / -5.2°C
10 rain days
cold, freezing nights, rainy
- bitterly cold (overnight -5.2°C)
September
Skip
26°C / 16°C
8 rain days
⚠ peak season
warm
- peak hurricane season
October
Skip
19°C / 9.9°C
11 rain days
⚠ peak season
mild, rainy
- peak hurricane season
August
Skip
28.4°C / 18.8°C
11 rain days
⚠ peak season
hot, rainy
- peak hurricane season
How we ranked these
Each month is scored on temperature comfort (18–27°C avg high is the sweet spot), rainfall (more rain days = lower score), snow days, and peak hazard seasons (hurricanes, monsoons, etc.). Green-tier months are within ideal range with no major issues. Yellow are workable but with trade-offs. Red has at least one significant problem — extreme heat or cold, heavy rain, or peak storm season.