Rangeley, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from -1.7 °C (low) to 10 °C (high). Annual precipitation averages 1069.9 Millimeters. Rangeley is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -16.7 °C | -5.1 °C | 70.87 mm |
| February | -16.1 °C | -3.3 °C | 59.18 mm |
| March | -10.9 °C | 1.7 °C | 73.15 mm |
| April | -3.1 °C | 8.6 °C | 81.28 mm |
| May | 3.6 °C | 16.3 °C | 92.2 mm |
| June | 9.1 °C | 21.4 °C | 109.22 mm |
| July | 12 °C | 24.1 °C | 104.14 mm |
| August | 10.9 °C | 23.4 °C | 103.63 mm |
| September | 6.6 °C | 19.3 °C | 87.38 mm |
| October | 0.9 °C | 11.5 °C | 116.84 mm |
| November | -4.7 °C | 4.4 °C | 85.6 mm |
| December | -11.6 °C | -1.8 °C | 86.36 mm |
| Annual | -1.7 °C | 10 °C | 1069.85 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°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 |