Salmo, British Columbia climate data is summarized below. Average annual temperatures range from 1.2 °C (low) to 12.8 °C (high). Annual precipitation averages 89 Millimeters. 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 | -7.81 °C | -0.05 °C | 0 mm |
| February | -5.88 °C | 3.06 °C | 0 mm |
| March | -3.91 °C | 6.86 °C | 10 mm |
| April | -1.16 °C | 11.19 °C | 8 mm |
| May | 4.28 °C | 17.5 °C | 16 mm |
| June | 8.22 °C | 21.53 °C | 16 mm |
| July | 11.28 °C | 27.69 °C | 17 mm |
| August | 10.53 °C | 27.61 °C | 10 mm |
| September | 6.54 °C | 21.86 °C | 6 mm |
| October | 2.24 °C | 12.93 °C | 4 mm |
| November | -2.76 °C | 4.06 °C | 1 mm |
| December | -6.94 °C | -0.56 °C | 1 mm |
| Annual | 1.2 °C | 12.8 °C | 89 mm |
| 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 : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |