Presque Isle, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -0.9 °C (low) to 10.4 °C (high). Annual precipitation averages 967.3 Millimeters. Presque Isle is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -17.1 °C | -5.8 °C | 72.39 mm |
| February | -16.3 °C | -4.1 °C | 51.56 mm |
| March | -9.9 °C | 1.4 °C | 60.45 mm |
| April | -1.8 °C | 8.9 °C | 69.6 mm |
| May | 4.7 °C | 17.2 °C | 81.28 mm |
| June | 10.1 °C | 22.5 °C | 101.35 mm |
| July | 13.2 °C | 25.2 °C | 95 mm |
| August | 12 °C | 24.6 °C | 88.65 mm |
| September | 7.8 °C | 20.1 °C | 84.33 mm |
| October | 1.9 °C | 12.2 °C | 103.89 mm |
| November | -3.8 °C | 4.4 °C | 78.23 mm |
| December | -11.3 °C | -2 °C | 80.52 mm |
| Annual | -0.9 °C | 10.4 °C | 967.25 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Plant Hardiness Zone - 2012 | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |