Lower Post, British Columbia climate data is summarized below. Average annual temperatures range from -6.3 °C (low) to 2.8 °C (high). Annual precipitation averages 228 Millimeters. Lower Post is located in USDA Plant Hardiness Zone 2a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.73 °C | -12.24 °C | 0 mm |
| February | -20.33 °C | -10.18 °C | 0 mm |
| March | -18.58 °C | -7.81 °C | 0 mm |
| April | -8.23 °C | 1.1 °C | 7 mm |
| May | 1.34 °C | 11.87 °C | 29 mm |
| June | 7 °C | 17.77 °C | 37 mm |
| July | 8.92 °C | 19.67 °C | 47 mm |
| August | 7.33 °C | 17.95 °C | 39 mm |
| September | 2.56 °C | 11.12 °C | 42 mm |
| October | -2.52 °C | 3.15 °C | 27 mm |
| November | -13.18 °C | -7.38 °C | 0 mm |
| December | -19.23 °C | -11.88 °C | 0 mm |
| Annual | -6.3 °C | 2.8 °C | 228 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 2a : -45.6°C to -42.8°C |
| Current Drought Conditions | Normal |