| 2023 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 2012 Hardiness Zone: | Zone 3b: -35°F to -30°F Zone 4b: -25°F to -20°F Zone 4a: -30°F to -25°F |
| 1990 Hardiness Zone: | Zone 3b: -35F to -30F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| Average Last Frost Date: | Jun. 1 - Jun. 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 82a - Aroostook Lowlands |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04785 - Van Buren, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | -6 | -4 | 11 | 27 | 39 | 48 | 54 | 51 | 42 | 32 | 23 | 5 | 27 |
| Avg Max Temp (°F) | 19 | 23 | 34 | 46 | 62 | 72 | 76 | 75 | 65 | 52 | 38 | 25 | 49 |
| Avg Precip (In.) | 2.68 | 1.9 | 2.23 | 2.57 | 3.24 | 3.4 | 4.11 | 3.69 | 3.26 | 3.2 | 2.98 | 2.92 | 36.2 |