Whitefield, Maine has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.2 °F (low) to 55.2 °F (high). Annual precipitation averages 48.2 Inches. Whitefield is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.2 °F | 29.7 °F | 3.6 in. |
| February | 13.1 °F | 32.7 °F | 3.18 in. |
| March | 22.6 °F | 40.8 °F | 3.89 in. |
| April | 33.3 °F | 53.1 °F | 4.29 in. |
| May | 43.9 °F | 64.5 °F | 3.63 in. |
| June | 53.4 °F | 73.2 °F | 4.42 in. |
| July | 59.3 °F | 79.0 °F | 3.43 in. |
| August | 58.0 °F | 78.1 °F | 3.48 in. |
| September | 50.6 °F | 70.8 °F | 3.95 in. |
| October | 39.7 °F | 58.3 °F | 5.41 in. |
| November | 30.0 °F | 46.5 °F | 4.47 in. |
| December | 19.5 °F | 35.7 °F | 4.44 in. |
| Annual | 36.2 °F | 55.2 °F | 48.19 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |