Kelowna, British Columbia climate data is summarized below. Average annual temperatures range from 3.7 °C (low) to 15.6 °C (high). Annual precipitation averages 230 Millimeters. Kelowna is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.66 °C | 1.54 °C | 0 mm |
| February | -2.76 °C | 5.42 °C | 0 mm |
| March | -0.46 °C | 10.55 °C | 0 mm |
| April | 2.49 °C | 16.04 °C | 16 mm |
| May | 7.02 °C | 22 °C | 39 mm |
| June | 10.6 °C | 25.37 °C | 50 mm |
| July | 13.48 °C | 30.31 °C | 22 mm |
| August | 12.58 °C | 29.66 °C | 18 mm |
| September | 8.2 °C | 23.34 °C | 24 mm |
| October | 3.63 °C | 14.87 °C | 41 mm |
| November | -0.83 °C | 6.78 °C | 20 mm |
| December | -4.56 °C | 1.53 °C | 0 mm |
| Annual | 3.7 °C | 15.6 °C | 230 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |