Flower's Cove, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 31 °F (low) to 41.1 °F (high). Annual precipitation averages 27.7 Inches. Flower's Cove is located in USDA Plant Hardiness Zone . The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.5 °F | -20.9 °F | 533.4 in. |
| February | -24.7 °F | -20.8 °F | 177.8 in. |
| March | -23 °F | -19.6 °F | 482.6 in. |
| April | -19.9 °F | -17.4 °F | 1117.6 in. |
| May | -17.3 °F | -14.2 °F | 1549.4 in. |
| June | -14.5 °F | -11.2 °F | 1549.4 in. |
| July | -12 °F | -8.6 °F | 1854.2 in. |
| August | -11.3 °F | -8 °F | 1955.8 in. |
| September | -13.4 °F | -10.3 °F | 2438.4 in. |
| October | -15.9 °F | -13.5 °F | 2590.8 in. |
| November | -18.7 °F | -16.3 °F | 2006.6 in. |
| December | -21.9 °F | -19.1 °F | 1625.6 in. |
| Annual | 31 °F | 41.1 °F | 27.72 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |