Magog, Quebec climate data is summarized below. Average annual temperatures range from 33.6 °F (low) to 52 °F (high). Annual precipitation averages 8.2 Inches. 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 | -25.6 °F | -20.2 °F | 0 in. |
| February | -25.6 °F | -19.9 °F | 0 in. |
| March | -22.6 °F | -16.5 °F | 0 in. |
| April | -18 °F | -11.9 °F | 381 in. |
| May | -14.1 °F | -7.5 °F | 584.2 in. |
| June | -11.4 °F | -5.3 °F | 812.8 in. |
| July | -9.8 °F | -3.6 °F | 1295.4 in. |
| August | -10.2 °F | -4.1 °F | 914.4 in. |
| September | -12.7 °F | -6.5 °F | 457.2 in. |
| October | -15.7 °F | -10.6 °F | 533.4 in. |
| November | -19.1 °F | -14.4 °F | 254 in. |
| December | -22.7 °F | -18.6 °F | 76.2 in. |
| Annual | 33.6 °F | 52 °F | 8.24 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 | Normal |