Osoyoos, British Columbia climate data is summarized below. Average annual temperatures range from 40.3 °F (low) to 61.2 °F (high). Annual precipitation averages 1.6 Inches. Osoyoos 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 | -20.8 °F | -17 °F | 0 in. |
| February | -19.2 °F | -14.9 °F | 0 in. |
| March | -17.6 °F | -11.7 °F | 25.4 in. |
| April | -15.8 °F | -8.5 °F | 25.4 in. |
| May | -13.1 °F | -5.3 °F | 127 in. |
| June | -11.3 °F | -3.3 °F | 127 in. |
| July | -9.2 °F | -0.1 °F | 355.6 in. |
| August | -9.6 °F | -0.5 °F | 127 in. |
| September | -12.3 °F | -3.9 °F | 76.2 in. |
| October | -15.2 °F | -8.9 °F | 50.8 in. |
| November | -18 °F | -13.9 °F | 25.4 in. |
| December | -20.4 °F | -17.1 °F | 50.8 in. |
| Annual | 40.3 °F | 61.2 °F | 1.55 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |