Truro, Nova Scotia climate data is summarized below. Average annual temperatures range from 1.7 °C (low) to 11.7 °C (high). Annual precipitation averages 1136 Millimeters. Truro is located in USDA Plant Hardiness Zone 5b. 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 | -10.52 °C | -1.06 °C | 35 mm |
| February | -10.14 °C | -0.69 °C | 38 mm |
| March | -7.25 °C | 3.02 °C | 50 mm |
| April | -0.87 °C | 9.3 °C | 80 mm |
| May | 4.54 °C | 15.54 °C | 101 mm |
| June | 9.41 °C | 20.09 °C | 117 mm |
| July | 13.79 °C | 24.83 °C | 92 mm |
| August | 13.59 °C | 24.3 °C | 128 mm |
| September | 9.25 °C | 20.12 °C | 126 mm |
| October | 4.22 °C | 13.95 °C | 127 mm |
| November | -0.31 °C | 8.21 °C | 128 mm |
| December | -5.73 °C | 2.42 °C | 114 mm |
| Annual | 1.7 °C | 11.7 °C | 1136 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |