Rimersburg, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38 °F (low) to 59.1 °F (high). Annual precipitation averages 45.7 Inches. 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 | 17.4 °F | 33.3 °F | 3.43 in. |
| February | 18.3 °F | 36.3 °F | 2.62 in. |
| March | 25.0 °F | 45.4 °F | 3.39 in. |
| April | 35.7 °F | 60.1 °F | 4.02 in. |
| May | 46.0 °F | 70.7 °F | 3.94 in. |
| June | 54.4 °F | 78.1 °F | 5.0 in. |
| July | 58.4 °F | 81.6 °F | 4.8 in. |
| August | 56.9 °F | 80.9 °F | 4.02 in. |
| September | 50.2 °F | 74.1 °F | 4.11 in. |
| October | 40.1 °F | 61.9 °F | 3.35 in. |
| November | 30.4 °F | 48.6 °F | 3.47 in. |
| December | 23.4 °F | 37.7 °F | 3.59 in. |
| Annual | 38 °F | 59.1 °F | 45.74 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |