Isle Pierre, British Columbia climate data is summarized below. Average annual temperatures range from -1.6 °C (low) to 7.2 °C (high). Annual precipitation averages 479 Millimeters. Isle Pierre is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.35 °C | -3.98 °C | 0 mm |
| February | -9.38 °C | -2.41 °C | 0 mm |
| March | -7.41 °C | 1.13 °C | 0 mm |
| April | -2.72 °C | 6.42 °C | 40 mm |
| May | 2.08 °C | 13.32 °C | 69 mm |
| June | 6.02 °C | 16.42 °C | 74 mm |
| July | 8.62 °C | 19.95 °C | 59 mm |
| August | 7.82 °C | 19.6 °C | 53 mm |
| September | 3.79 °C | 14.21 °C | 68 mm |
| October | -0.23 °C | 6.73 °C | 87 mm |
| November | -6.07 °C | -0.67 °C | 29 mm |
| December | -11.12 °C | -4.79 °C | 0 mm |
| Annual | -1.6 °C | 7.2 °C | 479 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |