Temperature
Cool by day, cold at night.
Cool days and some sun.

Cool by day, cold at night.
Some precipitation is expected this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In March, afternoons feel about 39° and nights feel near 30°.
Mostly cloudy skies this month.
Calm winds are typical in March.
March late afternoons are around 49°F, easing to about 47°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 37 | 23 | 3.2 | 10 | 5.5 | 75 |
| Feb | 42 | 26 | 2.9 | 9 | 6.6 | 72 |
| Mar | 53 | 35 | 4.1 | 11 | 7.9 | 67 |
| Apr | 65 | 45 | 4.7 | 12 | 9.0 | 64 |
| May | 74 | 56 | 4.8 | 14 | 10.2 | 68 |
| Jun | 82 | 65 | 4.2 | 12 | 11.7 | 69 |
| Jul | 85 | 68 | 3.6 | 12 | 12.1 | 71 |
| Aug | 83 | 66 | 2.8 | 9 | 11.5 | 71 |
| Sep | 78 | 59 | 2.9 | 8 | 9.9 | 69 |
| Oct | 66 | 47 | 3.1 | 9 | 8.1 | 69 |
| Nov | 53 | 37 | 3.1 | 9 | 6.2 | 71 |
| Dec | 42 | 28 | 3.3 | 10 | 5.2 | 77 |
Similar climates
Want a side-by-side climate view? Compare Indianapolis with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology