Clark's Harbour, Nova Scotia climate data is summarized below. Average annual temperatures range from 41.9 °F (low) to 49.9 °F (high). Annual precipitation averages 52.2 Inches. Clark's Harbour is located in USDA Plant Hardiness Zone 6b. 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 | -19.1 °F | -16.1 °F | 2489.2 in. |
| February | -19.5 °F | -16.7 °F | 2489.2 in. |
| March | -18.4 °F | -15.8 °F | 2692.4 in. |
| April | -16.3 °F | -14 °F | 2794 in. |
| May | -14.3 °F | -12.3 °F | 2692.4 in. |
| June | -12.3 °F | -10.2 °F | 2590.8 in. |
| July | -10.6 °F | -8.5 °F | 2413 in. |
| August | -10.2 °F | -8.1 °F | 2159 in. |
| September | -11.1 °F | -8.8 °F | 2286 in. |
| October | -12.7 °F | -10.1 °F | 3225.8 in. |
| November | -15 °F | -12.3 °F | 3733.8 in. |
| December | -17.3 °F | -14.4 °F | 4089.4 in. |
| Annual | 41.9 °F | 49.9 °F | 52.17 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Abnormally Dry |