Elysburg, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.7 °C (low) to 16.2 °C (high). Annual precipitation averages 1162.6 Millimeters. Elysburg 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 | -7.1 °C | 2.1 °C | 86.11 mm |
| February | -6.4 °C | 3.7 °C | 64.77 mm |
| March | -2.3 °C | 8.8 °C | 91.44 mm |
| April | 3.4 °C | 16.3 °C | 102.11 mm |
| May | 9.1 °C | 22.1 °C | 100.08 mm |
| June | 14.3 °C | 26.5 °C | 112.01 mm |
| July | 16.4 °C | 29.1 °C | 107.44 mm |
| August | 15.6 °C | 28 °C | 103.38 mm |
| September | 11.5 °C | 24.3 °C | 119.63 mm |
| October | 5.3 °C | 17.4 °C | 104.9 mm |
| November | 0.1 °C | 10.8 °C | 82.3 mm |
| December | -3.9 °C | 4.7 °C | 88.39 mm |
| Annual | 4.7 °C | 16.2 °C | 1162.56 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |