Montréal, Quebec climate data is summarized below. Average annual temperatures range from 38.4 °F (low) to 53.1 °F (high). Annual precipitation averages 37 Inches. Montréal is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.2 °F | -20.1 °F | 406.4 in. |
| February | -24 °F | -19.9 °F | 482.6 in. |
| March | -20.8 °F | -16.1 °F | 1397 in. |
| April | -16.4 °F | -11.3 °F | 2692.4 in. |
| May | -12.5 °F | -7.1 °F | 2362.2 in. |
| June | -9.7 °F | -4.6 °F | 2641.6 in. |
| July | -8.1 °F | -3.2 °F | 3429 in. |
| August | -8.5 °F | -3.7 °F | 2819.4 in. |
| September | -11.1 °F | -6.1 °F | 1828.8 in. |
| October | -14.4 °F | -10.4 °F | 2768.6 in. |
| November | -17.9 °F | -14.2 °F | 1879.6 in. |
| December | -21.8 °F | -18.5 °F | 1143 in. |
| Annual | 38.4 °F | 53.1 °F | 36.95 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |