Lac-Poulin, Quebec climate data is summarized below. Average annual temperatures range from -0.5 °C (low) to 9.3 °C (high). Annual precipitation averages 784 Millimeters. 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 | -15.88 °C | -6.09 °C | 0 mm |
| February | -15.32 °C | -5.52 °C | 0 mm |
| March | -10.09 °C | 0.09 °C | 0 mm |
| April | -2.13 °C | 8.28 °C | 57 mm |
| May | 5.1 °C | 16.64 °C | 103 mm |
| June | 10.34 °C | 21 °C | 119 mm |
| July | 13.38 °C | 23.81 °C | 131 mm |
| August | 12.41 °C | 22.7 °C | 128 mm |
| September | 7.82 °C | 18.5 °C | 86 mm |
| October | 2.42 °C | 11.18 °C | 96 mm |
| November | -3.41 °C | 4.36 °C | 64 mm |
| December | -10.91 °C | -3.31 °C | 0 mm |
| Annual | -0.5 °C | 9.3 °C | 784 mm |
| 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 : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |