Saint-Antoine, New Brunswick climate data is summarized below. Average annual temperatures range from 1.5 °C (low) to 10.6 °C (high). Annual precipitation averages 319 Millimeters. 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 | -12.02 °C | -3.4 °C | 2 mm |
| February | -11.66 °C | -2.81 °C | 0 mm |
| March | -7.54 °C | 1.19 °C | 10 mm |
| April | -0.53 °C | 8.28 °C | 16 mm |
| May | 5.17 °C | 15.18 °C | 27 mm |
| June | 10.32 °C | 19.98 °C | 45 mm |
| July | 14.8 °C | 24.65 °C | 54 mm |
| August | 14.43 °C | 23.98 °C | 57 mm |
| September | 9.67 °C | 19.8 °C | 41 mm |
| October | 4.27 °C | 13.18 °C | 29 mm |
| November | -0.87 °C | 6.67 °C | 29 mm |
| December | -7.55 °C | 0.04 °C | 9 mm |
| Annual | 1.5 °C | 10.6 °C | 319 mm |
| 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 : -28.9°C to -26.1°C |
| Current Drought Conditions | Abnormally Dry |