Trenton, Nova Scotia climate data is summarized below. Average annual temperatures range from 2.9 °C (low) to 11.1 °C (high). Annual precipitation averages 1092 Millimeters. Trenton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.27 °C | -1.28 °C | 34 mm |
| February | -9.65 °C | -1.33 °C | 38 mm |
| March | -6.7 °C | 1.64 °C | 39 mm |
| April | -0.31 °C | 7.67 °C | 74 mm |
| May | 5.31 °C | 14.25 °C | 94 mm |
| June | 10.35 °C | 19.11 °C | 107 mm |
| July | 15.25 °C | 24.27 °C | 95 mm |
| August | 15.22 °C | 23.98 °C | 147 mm |
| September | 11.21 °C | 20.18 °C | 121 mm |
| October | 6.13 °C | 14.01 °C | 114 mm |
| November | 1.38 °C | 8.29 °C | 122 mm |
| December | -4.38 °C | 2.33 °C | 107 mm |
| Annual | 2.9 °C | 11.1 °C | 1092 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |