Lac-Beauport, Quebec climate data is summarized below. Annual precipitation averages 954 Millimeters. Lac-Beauport is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.71 °C | -6.7 °C | 0 mm |
| February | -14.71 °C | -5.68 °C | 0 mm |
| March | -9.29 °C | -0.12 °C | 11 mm |
| April | -1.21 °C | 8.04 °C | 68 mm |
| May | 5.55 °C | 16.68 °C | 95 mm |
| June | 10.84 °C | 21.52 °C | 128 mm |
| July | 13.8 °C | 24.27 °C | 155 mm |
| August | 13.14 °C | 23.38 °C | 146 mm |
| September | 8.38 °C | 18.52 °C | 125 mm |
| October | 2.93 °C | 10.95 °C | 133 mm |
| November | -2.92 °C | 3.88 °C | 82 mm |
| December | -11.04 °C | -3.67 °C | 11 mm |
| Annual | -0 °C | 9.3 °C | 954 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |