Saint-Antoine, New Brunswick climate data is summarized below. Average annual temperatures range from 34.8 °F (low) to 51 °F (high). Annual precipitation averages 12.5 Inches. Saint-Antoine is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.5 °F | -19.7 °F | 50.8 in. |
| February | -24.3 °F | -19.3 °F | 0 in. |
| March | -22 °F | -17.1 °F | 254 in. |
| April | -18.1 °F | -13.2 °F | 406.4 in. |
| May | -14.9 °F | -9.3 °F | 685.8 in. |
| June | -12 °F | -6.7 °F | 1143 in. |
| July | -9.6 °F | -4.1 °F | 1371.6 in. |
| August | -9.8 °F | -4.5 °F | 1447.8 in. |
| September | -12.4 °F | -6.8 °F | 1041.4 in. |
| October | -15.4 °F | -10.5 °F | 736.6 in. |
| November | -18.3 °F | -14.1 °F | 736.6 in. |
| December | -22 °F | -17.8 °F | 228.6 in. |
| Annual | 34.8 °F | 51 °F | 12.54 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Abnormally Dry |