Lovell, Maine has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 0.9 °C (low) to 13.2 °C (high). Annual precipitation averages 1240.8 Millimeters. Lovell 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. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.2 °C | -1.5 °C | 85.85 mm |
| February | -12.7 °C | 0.3 °C | 80.77 mm |
| March | -6.9 °C | 5.1 °C | 94.23 mm |
| April | -0.4 °C | 12.4 °C | 114.05 mm |
| May | 5.9 °C | 19.5 °C | 103.63 mm |
| June | 11.4 °C | 24 °C | 113.54 mm |
| July | 14.3 °C | 26.9 °C | 108.46 mm |
| August | 13.2 °C | 26.2 °C | 111 mm |
| September | 8.8 °C | 22.1 °C | 89.41 mm |
| October | 2.5 °C | 14.6 °C | 131.32 mm |
| November | -3 °C | 7.7 °C | 99.06 mm |
| December | -8.8 °C | 1.5 °C | 109.47 mm |
| Annual | 0.9 °C | 13.2 °C | 1240.79 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |