Minto, New Brunswick climate data is summarized below. Average annual temperatures range from 1.4 °C (low) to 10.9 °C (high). Annual precipitation averages 940 Millimeters. 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 | -12.79 °C | -3.92 °C | 11 mm |
| February | -12.29 °C | -2.92 °C | 10 mm |
| March | -7.7 °C | 1.5 °C | 47 mm |
| April | -0.71 °C | 9.1 °C | 73 mm |
| May | 5.63 °C | 16.76 °C | 92 mm |
| June | 10.74 °C | 21.26 °C | 122 mm |
| July | 14.6 °C | 25.22 °C | 107 mm |
| August | 14.18 °C | 24.57 °C | 106 mm |
| September | 9.46 °C | 20.11 °C | 87 mm |
| October | 4.16 °C | 13.24 °C | 114 mm |
| November | -1.01 °C | 6.52 °C | 111 mm |
| December | -7.95 °C | -0.34 °C | 60 mm |
| Annual | 1.4 °C | 10.9 °C | 940 mm |
| 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 : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |