St. Anthony, Newfoundland and Labrador climate data is summarized below. Annual precipitation averages 684 Millimeters. 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 | -10.15 °C | -4.36 °C | 26 mm |
| February | -10.58 °C | -4.5 °C | 20 mm |
| March | -7.97 °C | -2.79 °C | 20 mm |
| April | -3.25 °C | 0.6 °C | 44 mm |
| May | 0.59 °C | 4.91 °C | 59 mm |
| June | 5.21 °C | 10.21 °C | 58 mm |
| July | 9.89 °C | 15.32 °C | 66 mm |
| August | 11.3 °C | 16.25 °C | 65 mm |
| September | 8.14 °C | 12.63 °C | 89 mm |
| October | 3.75 °C | 7.3 °C | 93 mm |
| November | -1.07 °C | 2.7 °C | 75 mm |
| December | -6.22 °C | -1.67 °C | 69 mm |
| Annual | -0 °C | 4.7 °C | 684 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |