Bonavista, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 37.4 °F (low) to 44 °F (high). Annual precipitation averages 37.3 Inches. Bonavista is located in USDA Plant Hardiness Zone . The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.7 °F | -18.2 °F | 1244.6 in. |
| February | -21 °F | -18.6 °F | 1193.8 in. |
| March | -20.2 °F | -18.2 °F | 1168.4 in. |
| April | -18.4 °F | -16.7 °F | 1498.6 in. |
| May | -16.4 °F | -14.6 °F | 1930.4 in. |
| June | -14.1 °F | -12.2 °F | 1854.2 in. |
| July | -11.2 °F | -9.1 °F | 2209.8 in. |
| August | -10.3 °F | -8.3 °F | 2336.8 in. |
| September | -11.8 °F | -9.7 °F | 2641.6 in. |
| October | -14 °F | -12.2 °F | 2946.4 in. |
| November | -16.5 °F | -14.5 °F | 2717.8 in. |
| December | -18.9 °F | -16.7 °F | 2311.4 in. |
| Annual | 37.4 °F | 44 °F | 37.27 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |