Cole Harbour, Nova Scotia climate data is summarized below. Average annual temperatures range from 38.9 °F (low) to 52.4 °F (high). Annual precipitation averages 55.1 Inches. Cole Harbour 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 | -21.7 °F | -17.5 °F | 1930.4 in. |
| February | -21.6 °F | -17.5 °F | 2362.2 in. |
| March | -20 °F | -15.8 °F | 2235.2 in. |
| April | -17.3 °F | -13.1 °F | 2971.8 in. |
| May | -14.7 °F | -10.2 °F | 2489.2 in. |
| June | -12.1 °F | -7.9 °F | 3276.6 in. |
| July | -9.6 °F | -5.3 °F | 2082.8 in. |
| August | -9.3 °F | -5.1 °F | 2743.2 in. |
| September | -11.3 °F | -6.9 °F | 3429 in. |
| October | -13.9 °F | -9.8 °F | 4013.2 in. |
| November | -16.6 °F | -12.9 °F | 3759.2 in. |
| December | -19.6 °F | -15.7 °F | 4267.2 in. |
| Annual | 38.9 °F | 52.4 °F | 55.11 in. |
| 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 : -5°F to 0°F |
| Current Drought Conditions | Normal |