Lac-Poulin, Quebec climate data is summarized below. Average annual temperatures range from 31.1 °F (low) to 48.8 °F (high). Annual precipitation averages 30.9 Inches. Lac-Poulin is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.6 °F | -21.2 °F | 0 in. |
| February | -26.3 °F | -20.8 °F | 0 in. |
| March | -23.4 °F | -17.7 °F | 0 in. |
| April | -19 °F | -13.2 °F | 1447.8 in. |
| May | -14.9 °F | -8.5 °F | 2616.2 in. |
| June | -12 °F | -6.1 °F | 3022.6 in. |
| July | -10.3 °F | -4.6 °F | 3327.4 in. |
| August | -10.9 °F | -5.2 °F | 3251.2 in. |
| September | -13.4 °F | -7.5 °F | 2184.4 in. |
| October | -16.4 °F | -11.6 °F | 2438.4 in. |
| November | -19.7 °F | -15.4 °F | 1625.6 in. |
| December | -23.8 °F | -19.6 °F | 0 in. |
| Annual | 31.1 °F | 48.8 °F | 30.88 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |