Orland, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.6 °C (low) to 12.2 °C (high). Annual precipitation averages 1209.6 Millimeters. Orland is located in USDA Plant Hardiness Zone 5a. 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 | -12.8 °C | -2.3 °C | 95.5 mm |
| February | -11.9 °C | -0.7 °C | 79.25 mm |
| March | -6.3 °C | 3.8 °C | 102.87 mm |
| April | 0.3 °C | 10.9 °C | 108.46 mm |
| May | 6.2 °C | 17.7 °C | 95.25 mm |
| June | 11.3 °C | 22.6 °C | 102.62 mm |
| July | 14.8 °C | 25.8 °C | 83.31 mm |
| August | 13.9 °C | 25.5 °C | 83.06 mm |
| September | 9.6 °C | 21.1 °C | 96.27 mm |
| October | 3.7 °C | 13.7 °C | 130.05 mm |
| November | -1.8 °C | 7.3 °C | 115.06 mm |
| December | -8.3 °C | 1.1 °C | 117.86 mm |
| Annual | 1.6 °C | 12.2 °C | 1209.56 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |