St. Anthony, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 32 °F (low) to 40.5 °F (high). Annual precipitation averages 26.9 Inches. St. Anthony is located in USDA Plant Hardiness Zone 3b. 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 | -23.4 °F | -20.2 °F | 660.4 in. |
| February | -23.7 °F | -20.3 °F | 508 in. |
| March | -22.2 °F | -19.3 °F | 508 in. |
| April | -19.6 °F | -17.4 °F | 1117.6 in. |
| May | -17.5 °F | -15.1 °F | 1498.6 in. |
| June | -14.9 °F | -12.1 °F | 1473.2 in. |
| July | -12.3 °F | -9.3 °F | 1676.4 in. |
| August | -11.5 °F | -8.8 °F | 1651 in. |
| September | -13.3 °F | -10.8 °F | 2260.6 in. |
| October | -15.7 °F | -13.7 °F | 2362.2 in. |
| November | -18.4 °F | -16.3 °F | 1905 in. |
| December | -21.2 °F | -18.7 °F | 1752.6 in. |
| Annual | 32 °F | 40.5 °F | 26.92 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 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |