Senneterre, Quebec climate data is summarized below. Average annual temperatures range from -3.1 °C (low) to 7.2 °C (high). Annual precipitation averages 707 Millimeters. Senneterre is located in USDA Plant Hardiness Zone 2b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.72 °C | -10.4 °C | 0 mm |
| February | -20.63 °C | -9.55 °C | 0 mm |
| March | -14.57 °C | -2.76 °C | 3 mm |
| April | -5.26 °C | 5.25 °C | 59 mm |
| May | 3.35 °C | 15.85 °C | 82 mm |
| June | 9.24 °C | 21.36 °C | 87 mm |
| July | 12.41 °C | 23.17 °C | 111 mm |
| August | 11.73 °C | 22.14 °C | 114 mm |
| September | 6.95 °C | 17.21 °C | 106 mm |
| October | 1.58 °C | 9.24 °C | 108 mm |
| November | -5.17 °C | 1.65 °C | 37 mm |
| December | -15.65 °C | -6.73 °C | 0 mm |
| Annual | -3.1 °C | 7.2 °C | 707 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 2b : -42.8°C to -40°C |
| Current Drought Conditions | Normal |