Mont Clare, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.4 °C (low) to 17.7 °C (high). Annual precipitation averages 1186.7 Millimeters. Mont Clare is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.3 °C | 4.3 °C | 84.58 mm |
| February | -4.7 °C | 5.8 °C | 73.91 mm |
| March | -0.7 °C | 10.5 °C | 99.82 mm |
| April | 5 °C | 17.4 °C | 93.47 mm |
| May | 10.4 °C | 22.8 °C | 95.5 mm |
| June | 15.8 °C | 27.8 °C | 110.74 mm |
| July | 18.7 °C | 30.2 °C | 118.11 mm |
| August | 17.8 °C | 29.3 °C | 106.17 mm |
| September | 13.6 °C | 25.7 °C | 117.6 mm |
| October | 6.9 °C | 18.8 °C | 100.84 mm |
| November | 1.4 °C | 12.7 °C | 80.01 mm |
| December | -2.4 °C | 7 °C | 105.92 mm |
| Annual | 6.4 °C | 17.7 °C | 1186.67 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |