Sydney Mines, Nova Scotia climate data is summarized below. Average annual temperatures range from 38.9 °F (low) to 47.4 °F (high). Annual precipitation averages 37.7 Inches. Sydney Mines is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.1 °F | -18.3 °F | 1346.2 in. |
| February | -21.7 °F | -18.9 °F | 1371.6 in. |
| March | -20.5 °F | -17.9 °F | 1219.2 in. |
| April | -18.3 °F | -15.9 °F | 1879.6 in. |
| May | -15.5 °F | -12.9 °F | 1854.2 in. |
| June | -12.8 °F | -10.1 °F | 2133.6 in. |
| July | -9.8 °F | -7 °F | 1600.2 in. |
| August | -9 °F | -6.3 °F | 2159 in. |
| September | -10.8 °F | -8 °F | 2260.6 in. |
| October | -13.3 °F | -11 °F | 2641.6 in. |
| November | -16.1 °F | -13.8 °F | 2717.8 in. |
| December | -18.8 °F | -16.3 °F | 3124.2 in. |
| Annual | 38.9 °F | 47.4 °F | 37.67 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |