Loretteville, Quebec climate data is summarized below. Average annual temperatures range from 33.2 °F (low) to 49.6 °F (high). Annual precipitation averages 36.1 Inches. Loretteville 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 | -26.3 °F | -21.3 °F | 0 in. |
| February | -25.8 °F | -20.7 °F | 0 in. |
| March | -22.7 °F | -17.5 °F | 279.4 in. |
| April | -18 °F | -12.8 °F | 1651 in. |
| May | -14.2 °F | -8.2 °F | 2387.6 in. |
| June | -11.3 °F | -5.5 °F | 3149.6 in. |
| July | -9.6 °F | -4 °F | 4013.2 in. |
| August | -10 °F | -4.5 °F | 3530.6 in. |
| September | -12.7 °F | -7.2 °F | 2946.4 in. |
| October | -15.8 °F | -11.4 °F | 3200.4 in. |
| November | -19 °F | -15.3 °F | 1828.8 in. |
| December | -23.6 °F | -19.7 °F | 304.8 in. |
| Annual | 33.2 °F | 49.6 °F | 36.09 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 |