Minto, New Brunswick climate data is summarized below. Average annual temperatures range from 34.4 °F (low) to 51.7 °F (high). Annual precipitation averages 37 Inches. Minto is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.9 °F | -20 °F | 279.4 in. |
| February | -24.6 °F | -19.4 °F | 254 in. |
| March | -22.1 °F | -16.9 °F | 1193.8 in. |
| April | -18.2 °F | -12.7 °F | 1854.2 in. |
| May | -14.7 °F | -8.5 °F | 2336.8 in. |
| June | -11.8 °F | -6 °F | 3098.8 in. |
| July | -9.7 °F | -3.8 °F | 2717.8 in. |
| August | -9.9 °F | -4.1 °F | 2692.4 in. |
| September | -12.5 °F | -6.6 °F | 2209.8 in. |
| October | -15.5 °F | -10.4 °F | 2895.6 in. |
| November | -18.3 °F | -14.2 °F | 2819.4 in. |
| December | -22.2 °F | -18 °F | 1524 in. |
| Annual | 34.4 °F | 51.7 °F | 36.99 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |