Springboro, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.7 °F (low) to 58.5 °F (high). Annual precipitation averages 48.2 Inches. Springboro is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.6 °F | 33.2 °F | 3.69 in. |
| February | 17.5 °F | 35.7 °F | 2.69 in. |
| March | 25.0 °F | 44.5 °F | 3.32 in. |
| April | 35.5 °F | 58.3 °F | 4.02 in. |
| May | 46.2 °F | 69.7 °F | 4.11 in. |
| June | 55.3 °F | 77.6 °F | 4.76 in. |
| July | 59.4 °F | 81.3 °F | 4.68 in. |
| August | 57.7 °F | 79.4 °F | 4.12 in. |
| September | 51.3 °F | 73.5 °F | 4.48 in. |
| October | 41.4 °F | 61.6 °F | 4.57 in. |
| November | 32.5 °F | 49.2 °F | 3.81 in. |
| December | 24.4 °F | 38.3 °F | 3.95 in. |
| Annual | 38.7 °F | 58.5 °F | 48.2 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |