| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 82g - Downeast Coast |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04691 - Whiting, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 23 | 32 | 41 | 49 | 54 | 54 | 48 | 39 | 31 | 18 | 35 |
| Avg Max Temp (°F) | 29 | 31 | 39 | 50 | 62 | 70 | 76 | 75 | 67 | 56 | 45 | 35 | 53 |
| Avg Precip (In.) | 4.64 | 3.36 | 4.2 | 3.91 | 3.96 | 3.51 | 3.27 | 2.98 | 3.93 | 4.04 | 4.51 | 4.48 | 46.79 |