Force, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37 °F (low) to 58.8 °F (high). Annual precipitation averages 42.3 Inches. Force 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 | 16.3 °F | 33.5 °F | 3.45 in. |
| February | 16.9 °F | 36.5 °F | 2.64 in. |
| March | 24.1 °F | 45.4 °F | 3.3 in. |
| April | 34.1 °F | 59.4 °F | 3.67 in. |
| May | 44.7 °F | 70.4 °F | 4.07 in. |
| June | 53.5 °F | 77.5 °F | 3.98 in. |
| July | 57.8 °F | 81.5 °F | 3.78 in. |
| August | 56.7 °F | 80.0 °F | 3.44 in. |
| September | 49.6 °F | 73.4 °F | 3.91 in. |
| October | 38.4 °F | 61.4 °F | 3.46 in. |
| November | 29.4 °F | 48.7 °F | 3.24 in. |
| December | 22.5 °F | 37.8 °F | 3.34 in. |
| Annual | 37 °F | 58.8 °F | 42.28 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 | Dfb - Humid Continental Mild Summer, Wet All Year |