Effort, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.8 °C (low) to 15.5 °C (high). Annual precipitation averages 1364.7 Millimeters. Effort is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.8 °C | 1.8 °C | 100.08 mm |
| February | -7.3 °C | 3.4 °C | 77.72 mm |
| March | -3.2 °C | 8 °C | 101.6 mm |
| April | 2.5 °C | 15.4 °C | 110.49 mm |
| May | 8.2 °C | 21.2 °C | 109.73 mm |
| June | 13.2 °C | 25.7 °C | 132.08 mm |
| July | 15.8 °C | 28.2 °C | 129.54 mm |
| August | 14.9 °C | 27.2 °C | 124.71 mm |
| September | 10.8 °C | 23.5 °C | 140.21 mm |
| October | 4.5 °C | 16.7 °C | 129.29 mm |
| November | -0.7 °C | 10.4 °C | 94.74 mm |
| December | -4.8 °C | 4.3 °C | 114.55 mm |
| Annual | 3.8 °C | 15.5 °C | 1364.74 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |