Indianapolis weather by month
Indianapolis has warm summers, cold winters and plenty of rain. The most pleasant months are May and September.
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Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 36°F 2°C | 20°F -6°C | 2.8 in 71 mm | Dry | Weak sun |
| February | 41°F 5°C | 23°F -5°C | 2.5 in 63 mm | Dry | Moderate sun |
| March | 52°F 11°C | 33°F 0°C | 3.4 in 86 mm | Dry | Moderate sun |
| April | 65°F 18°C | 43°F 6°C | 4.2 in 106 mm | Dry | Sunny |
| May | 75°F 24°C | 54°F 12°C | 4.6 in 116 mm | Comfortable | Sunny |
| June | 83°F 29°C | 63°F 17°C | 4.1 in 104 mm | A little humid | Strong sun |
| July | 87°F 30°C | 66°F 19°C | 4.2 in 107 mm | Humid | Strong sun |
| August | 86°F 30°C | 64°F 18°C | 3.1 in 80 mm | Humid | Sunny |
| September | 80°F 27°C | 56°F 13°C | 3.0 in 76 mm | Comfortable | Sunny |
| October | 68°F 20°C | 45°F 7°C | 2.9 in 74 mm | Dry | Moderate sun |
| November | 53°F 12°C | 34°F 1°C | 3.4 in 87 mm | Dry | Weak sun |
| December | 41°F 5°C | 25°F -4°C | 3.1 in 79 mm | Dry | Weak sun |
Cities with a climate like Indianapolis
Whole-year match out of 100, one city per country, seasons lined up across the equator.