Halifax, Nova Scotia climate data is summarized below. Average annual temperatures range from 3.6 °C (low) to 11.9 °C (high). Annual precipitation averages 1377 Millimeters. Halifax is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.63 °C | 0.51 °C | 72 mm |
| February | -7.64 °C | 0.57 °C | 84 mm |
| March | -4.63 °C | 3.98 °C | 83 mm |
| April | 1.01 °C | 9.23 °C | 114 mm |
| May | 5.79 °C | 14.68 °C | 99 mm |
| June | 10.5 °C | 19.02 °C | 127 mm |
| July | 15.04 °C | 23.62 °C | 83 mm |
| August | 15.2 °C | 23.77 °C | 108 mm |
| September | 11.43 °C | 20.08 °C | 135 mm |
| October | 6.57 °C | 14.47 °C | 157 mm |
| November | 1.59 °C | 8.88 °C | 149 mm |
| December | -3.79 °C | 3.72 °C | 166 mm |
| Annual | 3.6 °C | 11.9 °C | 1377 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |