Rimersburg, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.3 °C (low) to 15 °C (high). Annual precipitation averages 1161.8 Millimeters. Rimersburg is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.1 °C | 0.7 °C | 87.12 mm |
| February | -7.6 °C | 2.4 °C | 66.55 mm |
| March | -3.9 °C | 7.4 °C | 86.11 mm |
| April | 2.1 °C | 15.6 °C | 102.11 mm |
| May | 7.8 °C | 21.5 °C | 100.08 mm |
| June | 12.4 °C | 25.6 °C | 127 mm |
| July | 14.7 °C | 27.6 °C | 121.92 mm |
| August | 13.8 °C | 27.2 °C | 102.11 mm |
| September | 10.1 °C | 23.4 °C | 104.39 mm |
| October | 4.5 °C | 16.6 °C | 85.09 mm |
| November | -0.9 °C | 9.2 °C | 88.14 mm |
| December | -4.8 °C | 3.2 °C | 91.19 mm |
| Annual | 3.3 °C | 15 °C | 1161.81 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |