Salmon Valley, British Columbia climate data is summarized below. Average annual temperatures range from -1.7 °C (low) to 8.7 °C (high). Annual precipitation averages 519 Millimeters. Salmon Valley is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.5 °C | -4.25 °C | 0 mm |
| February | -10.4 °C | -1.81 °C | 12 mm |
| March | -8.38 °C | 2.38 °C | 25 mm |
| April | -2.43 °C | 8.68 °C | 48 mm |
| May | 2.6 °C | 15.88 °C | 52 mm |
| June | 6.7 °C | 18.99 °C | 60 mm |
| July | 8.93 °C | 22.49 °C | 50 mm |
| August | 7.71 °C | 21.99 °C | 52 mm |
| September | 3.9 °C | 16.33 °C | 72 mm |
| October | 0.39 °C | 8.32 °C | 92 mm |
| November | -5.68 °C | 0.07 °C | 56 mm |
| December | -11.59 °C | -4.6 °C | 0 mm |
| Annual | -1.7 °C | 8.7 °C | 519 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |