Salmon Arm, British Columbia climate data is summarized below. Average annual temperatures range from 3.4 °C (low) to 14.1 °C (high). Annual precipitation averages 374 Millimeters. Salmon Arm is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.43 °C | 0.88 °C | 0 mm |
| February | -4.17 °C | 3.4 °C | 1 mm |
| March | -1.16 °C | 7.92 °C | 19 mm |
| April | 2.05 °C | 13.85 °C | 31 mm |
| May | 6.99 °C | 20.21 °C | 48 mm |
| June | 10.76 °C | 23.95 °C | 56 mm |
| July | 13.37 °C | 28.66 °C | 33 mm |
| August | 12.49 °C | 27.88 °C | 29 mm |
| September | 8.16 °C | 22.04 °C | 49 mm |
| October | 3.75 °C | 14.44 °C | 63 mm |
| November | -0.98 °C | 5.97 °C | 45 mm |
| December | -5.47 °C | 0.43 °C | 0 mm |
| Annual | 3.4 °C | 14.1 °C | 374 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |