Saint-Martin, Quebec climate data is summarized below. Average annual temperatures range from -0.2 °C (low) to 9.8 °C (high). Annual precipitation averages 218 Millimeters. Saint-Martin is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.3 °C | -5.53 °C | 0 mm |
| February | -14.78 °C | -5.04 °C | 0 mm |
| March | -9.71 °C | 0.34 °C | 0 mm |
| April | -1.98 °C | 8.38 °C | 11 mm |
| May | 5.34 °C | 17 °C | 28 mm |
| June | 10.46 °C | 21.43 °C | 35 mm |
| July | 13.54 °C | 24.31 °C | 48 mm |
| August | 12.59 °C | 23.3 °C | 44 mm |
| September | 8.04 °C | 19.06 °C | 19 mm |
| October | 2.77 °C | 11.76 °C | 21 mm |
| November | -3.04 °C | 4.8 °C | 12 mm |
| December | -10.58 °C | -2.79 °C | 0 mm |
| Annual | -0.2 °C | 9.8 °C | 218 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |