Salmon Valley, British Columbia climate data is summarized below. Average annual temperatures range from 29 °F (low) to 47.7 °F (high). Annual precipitation averages 20.4 Inches. 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 | -24.2 °F | -20.1 °F | 0 in. |
| February | -23.6 °F | -18.8 °F | 304.8 in. |
| March | -22.4 °F | -16.5 °F | 635 in. |
| April | -19.1 °F | -13 °F | 1219.2 in. |
| May | -16.3 °F | -9 °F | 1320.8 in. |
| June | -14.1 °F | -7.2 °F | 1524 in. |
| July | -12.8 °F | -5.3 °F | 1270 in. |
| August | -13.5 °F | -5.6 °F | 1320.8 in. |
| September | -15.6 °F | -8.7 °F | 1828.8 in. |
| October | -17.6 °F | -13.2 °F | 2336.8 in. |
| November | -20.9 °F | -17.7 °F | 1422.4 in. |
| December | -24.2 °F | -20.3 °F | 0 in. |
| Annual | 29 °F | 47.7 °F | 20.42 in. |
| 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 : -25°F to -20°F |
| Current Drought Conditions | Normal |