Birchy Bay, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 1.8 °C (low) to 7.3 °C (high). Annual precipitation averages 813 Millimeters. Birchy Bay is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.35 °C | -2.29 °C | 28 mm |
| February | -8.02 °C | -2.81 °C | 25 mm |
| March | -6.42 °C | -1.44 °C | 24 mm |
| April | -2.22 °C | 2.52 °C | 45 mm |
| May | 2.09 °C | 8.19 °C | 72 mm |
| June | 6.93 °C | 13.6 °C | 75 mm |
| July | 12.13 °C | 19.43 °C | 88 mm |
| August | 12.86 °C | 19.61 °C | 98 mm |
| September | 9.51 °C | 15.7 °C | 102 mm |
| October | 5.33 °C | 10.04 °C | 103 mm |
| November | 0.73 °C | 5.12 °C | 93 mm |
| December | -3.86 °C | 0.42 °C | 60 mm |
| Annual | 1.8 °C | 7.3 °C | 813 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |