Weather in Indianapolis, Indiana, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -5°C | 2°C | 82.8 mm | 69% | 40.1 km/h |
| February | -4°C | 6°C | 75.6 mm | 61% | 42.0 km/h |
| March | 2°C | 13°C | 127.3 mm | 61% | 47.3 km/h |
| April | 7°C | 17°C | 120.6 mm | 61% | 45.9 km/h |
| May | 13°C | 23°C | 108.8 mm | 63% | 37.8 km/h |
| June | 18°C | 28°C | 92.4 mm | 54% | 35.3 km/h |
| July | 20°C | 29°C | 110.4 mm | 54% | 31.9 km/h |
| August | 18°C | 28°C | 74.4 mm | 51% | 30.5 km/h |
| September | 15°C | 26°C | 70.7 mm | 42% | 30.9 km/h |
| October | 9°C | 20°C | 60.2 mm | 47% | 37.7 km/h |
| November | 2°C | 11°C | 57.8 mm | 54% | 39.4 km/h |
| December | -1°C | 7°C | 84.6 mm | 70% | 40.7 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.3% | |
| March | 4.0% | |
| April | 10.2% | |
| May | 26.4% | |
| June | 33.1% | |
| July | 29.1% | |
| August | 30.5% | |
| September | 49.8% | |
| October | 24.8% | |
| November | 3.5% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 228,577
- Elevation
- 246 m
- Coordinates
- 39.78°N, 86.12°W
- Urban area
- 124 km²
Weather averages use 3 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculatedNearby places with higher scores
Annual results for the default weather criteria: