Rising Sun, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.6 °F (low) to 65.5 °F (high). Annual precipitation averages 43.9 Inches. Rising Sun is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.7 °F | 40.4 °F | 3.24 in. |
| February | 25.7 °F | 44.5 °F | 2.84 in. |
| March | 33.1 °F | 54.2 °F | 3.98 in. |
| April | 42.9 °F | 66.5 °F | 4.29 in. |
| May | 52.8 °F | 75.3 °F | 4.75 in. |
| June | 61.7 °F | 83.3 °F | 4.43 in. |
| July | 66.0 °F | 86.8 °F | 3.8 in. |
| August | 65.0 °F | 86.1 °F | 3.15 in. |
| September | 57.1 °F | 80.1 °F | 3.32 in. |
| October | 44.6 °F | 68.1 °F | 3.24 in. |
| November | 34.8 °F | 55.3 °F | 3.47 in. |
| December | 28.3 °F | 44.8 °F | 3.41 in. |
| Annual | 44.6 °F | 65.5 °F | 43.92 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |