Sicamous, British Columbia climate data is summarized below. Average annual temperatures range from 4 °C (low) to 15.8 °C (high). Annual precipitation averages 553 Millimeters. Sicamous is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.64 °C | 2.79 °C | 0 mm |
| February | -3.33 °C | 5.36 °C | 18 mm |
| March | -0.72 °C | 9.32 °C | 43 mm |
| April | 2.12 °C | 14.65 °C | 45 mm |
| May | 7.04 °C | 21.3 °C | 54 mm |
| June | 11.13 °C | 25.62 °C | 66 mm |
| July | 14 °C | 30.3 °C | 38 mm |
| August | 13.19 °C | 29.66 °C | 34 mm |
| September | 9.22 °C | 23.99 °C | 65 mm |
| October | 4.87 °C | 16.37 °C | 90 mm |
| November | -0.11 °C | 7.71 °C | 83 mm |
| December | -4.94 °C | 2.17 °C | 17 mm |
| Annual | 4 °C | 15.8 °C | 553 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |