Sydney, Nova Scotia climate data is summarized below. Average annual temperatures range from 38.4 °F (low) to 48.9 °F (high). Annual precipitation averages 39 Inches. Sydney is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.2 °F | -18.1 °F | 1549.4 in. |
| February | -21.8 °F | -18.7 °F | 1625.6 in. |
| March | -20.5 °F | -17.5 °F | 1524 in. |
| April | -18.3 °F | -15.1 °F | 2032 in. |
| May | -15.6 °F | -12 °F | 1854.2 in. |
| June | -12.9 °F | -9.3 °F | 2159 in. |
| July | -10.1 °F | -6.2 °F | 1447.8 in. |
| August | -9.4 °F | -5.7 °F | 2006.6 in. |
| September | -11.2 °F | -7.6 °F | 2286 in. |
| October | -13.5 °F | -10.8 °F | 2692.4 in. |
| November | -16.3 °F | -13.6 °F | 2717.8 in. |
| December | -18.9 °F | -16.2 °F | 3251.2 in. |
| Annual | 38.4 °F | 48.9 °F | 38.96 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |