Magog, Quebec climate data is summarized below. Average annual temperatures range from 0.9 °C (low) to 11.1 °C (high). Annual precipitation averages 209 Millimeters. Magog 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 | -14.08 °C | -4.34 °C | 0 mm |
| February | -14.12 °C | -3.9 °C | 0 mm |
| March | -8.66 °C | 2.31 °C | 0 mm |
| April | -0.37 °C | 10.63 °C | 15 mm |
| May | 6.54 °C | 18.46 °C | 23 mm |
| June | 11.54 °C | 22.48 °C | 32 mm |
| July | 14.45 °C | 25.48 °C | 51 mm |
| August | 13.71 °C | 24.54 °C | 36 mm |
| September | 9.11 °C | 20.25 °C | 18 mm |
| October | 3.77 °C | 12.98 °C | 21 mm |
| November | -2.31 °C | 6.07 °C | 10 mm |
| December | -8.93 °C | -1.44 °C | 3 mm |
| Annual | 0.9 °C | 11.1 °C | 209 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 | Normal |