Everett, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.1 °C (low) to 16.5 °C (high). Annual precipitation averages 1021.6 Millimeters. Everett 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.9 °C | 2.9 °C | 64.77 mm |
| February | -6.2 °C | 4.8 °C | 57.15 mm |
| March | -2.6 °C | 9.5 °C | 82.55 mm |
| April | 2.9 °C | 16.8 °C | 95.25 mm |
| May | 8.4 °C | 21.9 °C | 110.24 mm |
| June | 13.2 °C | 26.5 °C | 99.82 mm |
| July | 15.7 °C | 28.9 °C | 93.47 mm |
| August | 14.7 °C | 28.2 °C | 84.58 mm |
| September | 10.8 °C | 24.4 °C | 99.06 mm |
| October | 4.4 °C | 17.9 °C | 82.04 mm |
| November | -0.8 °C | 11.2 °C | 72.64 mm |
| December | -4.4 °C | 5.2 °C | 80.01 mm |
| Annual | 4.1 °C | 16.5 °C | 1021.58 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |