Coral Harbour, Nunavut climate data is summarized below. Average annual temperatures range from 10.9 °F (low) to 21.9 °F (high). Annual precipitation averages 6.5 Inches. Coral Harbour is located in USDA Plant Hardiness Zone 0a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -33.4 °F | -30.2 °F | 0 in. |
| February | -33.8 °F | -30 °F | 0 in. |
| March | -32.3 °F | -27.5 °F | 0 in. |
| April | -27.4 °F | -22.7 °F | 0 in. |
| May | -22.5 °F | -19.1 °F | 101.6 in. |
| June | -17.8 °F | -14.7 °F | 609.6 in. |
| July | -14.2 °F | -10.2 °F | 736.6 in. |
| August | -14.6 °F | -11.5 °F | 1320.8 in. |
| September | -17.6 °F | -15.4 °F | 939.8 in. |
| October | -20.9 °F | -18.9 °F | 508 in. |
| November | -26.5 °F | -23.3 °F | 0 in. |
| December | -30.5 °F | -27.2 °F | 0 in. |
| Annual | 10.9 °F | 21.9 °F | 6.54 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |