Fernie, British Columbia climate data is summarized below. Average annual temperatures range from -1.7 °C (low) to 10.9 °C (high). Annual precipitation averages 380 Millimeters. Fernie is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.16 °C | -1.4 °C | 0 mm |
| February | -10.22 °C | 0.66 °C | 0 mm |
| March | -6.97 °C | 4.35 °C | 2 mm |
| April | -3.83 °C | 8.36 °C | 11 mm |
| May | 1.89 °C | 15.32 °C | 66 mm |
| June | 6.28 °C | 20.71 °C | 95 mm |
| July | 9.3 °C | 26.09 °C | 53 mm |
| August | 8.27 °C | 25.48 °C | 39 mm |
| September | 4.24 °C | 20.01 °C | 33 mm |
| October | -0.18 °C | 11.48 °C | 52 mm |
| November | -6.29 °C | 2.79 °C | 29 mm |
| December | -12.04 °C | -2.92 °C | 0 mm |
| Annual | -1.7 °C | 10.9 °C | 380 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |