Lewin's Cove, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 3.5 °C (low) to 8.3 °C (high). Annual precipitation averages 1300 Millimeters. Lewin's Cove is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.87 °C | 0.12 °C | 87 mm |
| February | -5.89 °C | -1.12 °C | 80 mm |
| March | -4.2 °C | 0.24 °C | 79 mm |
| April | -0.61 °C | 4.09 °C | 99 mm |
| May | 3.5 °C | 8.8 °C | 95 mm |
| June | 7.65 °C | 12.79 °C | 103 mm |
| July | 12.49 °C | 17.34 °C | 112 mm |
| August | 14.26 °C | 19.21 °C | 111 mm |
| September | 11.34 °C | 16.38 °C | 127 mm |
| October | 7.17 °C | 11.5 °C | 145 mm |
| November | 2.76 °C | 7.13 °C | 145 mm |
| December | -1.57 °C | 3.04 °C | 117 mm |
| Annual | 3.5 °C | 8.3 °C | 1300 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |