Salmo, British Columbia climate data is summarized below. Average annual temperatures range from 34.2 °F (low) to 55 °F (high). Annual precipitation averages 3.5 Inches. Salmo is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -22.1 °F | -17.8 °F | 0 in. |
| February | -21 °F | -16.1 °F | 0 in. |
| March | -20 °F | -14 °F | 254 in. |
| April | -18.4 °F | -11.6 °F | 203.2 in. |
| May | -15.4 °F | -8.1 °F | 406.4 in. |
| June | -13.2 °F | -5.8 °F | 406.4 in. |
| July | -11.5 °F | -2.4 °F | 431.8 in. |
| August | -11.9 °F | -2.4 °F | 254 in. |
| September | -14.1 °F | -5.6 °F | 152.4 in. |
| October | -16.5 °F | -10.6 °F | 101.6 in. |
| November | -19.3 °F | -15.5 °F | 25.4 in. |
| December | -21.6 °F | -18.1 °F | 25.4 in. |
| Annual | 34.2 °F | 55 °F | 3.5 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |