Birchy Bay, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 35.3 °F (low) to 45.2 °F (high). Annual precipitation averages 32 Inches. 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 | -21.9 °F | -19.1 °F | 711.2 in. |
| February | -22.2 °F | -19.3 °F | 635 in. |
| March | -21.3 °F | -18.6 °F | 609.6 in. |
| April | -19 °F | -16.4 °F | 1143 in. |
| May | -16.6 °F | -13.2 °F | 1828.8 in. |
| June | -13.9 °F | -10.2 °F | 1905 in. |
| July | -11 °F | -7 °F | 2235.2 in. |
| August | -10.6 °F | -6.9 °F | 2489.2 in. |
| September | -12.5 °F | -9.1 °F | 2590.8 in. |
| October | -14.8 °F | -12.2 °F | 2616.2 in. |
| November | -17.4 °F | -14.9 °F | 2362.2 in. |
| December | -19.9 °F | -17.5 °F | 1524 in. |
| Annual | 35.3 °F | 45.2 °F | 31.99 in. |
| 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 : -20°F to -15°F |
| Current Drought Conditions | Normal |