Burnside, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.7 °C (low) to 15.2 °C (high). Annual precipitation averages 1204.2 Millimeters. Burnside is located in USDA Plant Hardiness Zone 6a. 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 | -7.7 °C | 1.3 °C | 97.28 mm |
| February | -7.1 °C | 3 °C | 74.68 mm |
| March | -3.4 °C | 7.9 °C | 99.06 mm |
| April | 2.4 °C | 15.7 °C | 103.63 mm |
| May | 7.9 °C | 21.4 °C | 109.73 mm |
| June | 13.1 °C | 25.5 °C | 114.3 mm |
| July | 15.3 °C | 27.7 °C | 113.54 mm |
| August | 14.3 °C | 27 °C | 107.7 mm |
| September | 10.7 °C | 23.3 °C | 106.17 mm |
| October | 4.3 °C | 16.7 °C | 86.11 mm |
| November | -0.6 °C | 9.7 °C | 95.25 mm |
| December | -4.4 °C | 3.7 °C | 96.77 mm |
| Annual | 3.7 °C | 15.2 °C | 1204.22 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |