Avondale, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 36 °F (low) to 47.3 °F (high). Annual precipitation averages 40.6 Inches. Avondale is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.3 °F | -18 °F | 1651 in. |
| February | -21.8 °F | -18.5 °F | 1778 in. |
| March | -20.9 °F | -17.9 °F | 1651 in. |
| April | -18.7 °F | -15.4 °F | 1981.2 in. |
| May | -16.5 °F | -12.6 °F | 2082.8 in. |
| June | -14.2 °F | -10.1 °F | 1828.8 in. |
| July | -11.3 °F | -7.1 °F | 2032 in. |
| August | -10.7 °F | -6.7 °F | 1955.8 in. |
| September | -12.5 °F | -8.5 °F | 2540 in. |
| October | -14.6 °F | -11.5 °F | 3098.8 in. |
| November | -16.9 °F | -14 °F | 2921 in. |
| December | -19.4 °F | -16.5 °F | 2692.4 in. |
| Annual | 36 °F | 47.3 °F | 40.63 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |