Flower's Cove, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from -0.6 °C (low) to 5 °C (high). Annual precipitation averages 704 Millimeters. 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 | -12.16 °C | -5.54 °C | 21 mm |
| February | -12.4 °C | -5.39 °C | 7 mm |
| March | -9.34 °C | -3.28 °C | 19 mm |
| April | -3.75 °C | 0.72 °C | 44 mm |
| May | 0.92 °C | 6.46 °C | 61 mm |
| June | 5.87 °C | 11.91 °C | 61 mm |
| July | 10.38 °C | 16.59 °C | 73 mm |
| August | 11.64 °C | 17.62 °C | 77 mm |
| September | 7.97 °C | 13.47 °C | 96 mm |
| October | 3.33 °C | 7.63 °C | 102 mm |
| November | -1.71 °C | 2.6 °C | 79 mm |
| December | -7.49 °C | -2.32 °C | 64 mm |
| Annual | -0.6 °C | 5 °C | 704 mm |
| 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 |