Punchaw, British Columbia climate data is summarized below. Average annual temperatures range from -1.3 °C (low) to 8.8 °C (high). Annual precipitation averages 387 Millimeters. Punchaw 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.63 °C | -3.25 °C | 0 mm |
| February | -9.54 °C | -0.86 °C | 10 mm |
| March | -7.03 °C | 3 °C | 15 mm |
| April | -2.54 °C | 8.39 °C | 34 mm |
| May | 2.54 °C | 15.06 °C | 45 mm |
| June | 6.56 °C | 18.25 °C | 54 mm |
| July | 8.85 °C | 21.9 °C | 42 mm |
| August | 7.92 °C | 21.67 °C | 33 mm |
| September | 4.08 °C | 16.25 °C | 48 mm |
| October | 0.42 °C | 8.69 °C | 65 mm |
| November | -5.46 °C | 0.68 °C | 41 mm |
| December | -10.91 °C | -3.77 °C | 0 mm |
| Annual | -1.3 °C | 8.8 °C | 387 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 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |