Port Hawkesbury, Nova Scotia climate data is summarized below. Average annual temperatures range from 3.3 °C (low) to 9.7 °C (high). Annual precipitation averages 1048 Millimeters. Port Hawkesbury is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.12 °C | -1.08 °C | 58 mm |
| February | -7.84 °C | -1.82 °C | 61 mm |
| March | -5.12 °C | 0.65 °C | 61 mm |
| April | -0.73 °C | 5.5 °C | 92 mm |
| May | 4.09 °C | 11.38 °C | 78 mm |
| June | 9 °C | 16.52 °C | 93 mm |
| July | 13.73 °C | 21.68 °C | 68 mm |
| August | 14.75 °C | 22.23 °C | 93 mm |
| September | 11.57 °C | 18.76 °C | 94 mm |
| October | 7.43 °C | 12.76 °C | 110 mm |
| November | 2.43 °C | 7.53 °C | 119 mm |
| December | -2.59 °C | 2.65 °C | 121 mm |
| Annual | 3.3 °C | 9.7 °C | 1048 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |