Summerland, British Columbia climate data is summarized below. Average annual temperatures range from 39.3 °F (low) to 59.4 °F (high). Annual precipitation averages 7.1 Inches. Summerland 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.6 °F | -16.7 °F | 0 in. |
| February | -19.5 °F | -15 °F | 0 in. |
| March | -18.1 °F | -12.3 °F | 0 in. |
| April | -16.4 °F | -9.3 °F | 254 in. |
| May | -13.7 °F | -6 °F | 736.6 in. |
| June | -11.8 °F | -4.2 °F | 914.4 in. |
| July | -9.9 °F | -1.3 °F | 431.8 in. |
| August | -10.1 °F | -1.7 °F | 279.4 in. |
| September | -12.8 °F | -4.9 °F | 558.8 in. |
| October | -15.4 °F | -9.5 °F | 990.6 in. |
| November | -18 °F | -14 °F | 406.4 in. |
| December | -20.2 °F | -16.9 °F | 0 in. |
| Annual | 39.3 °F | 59.4 °F | 7.09 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |