Canby, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 44.3 °F (low) to 63.4 °F (high). Annual precipitation averages 43.3 Inches. Canby is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.0 °F | 47.6 °F | 6.24 in. |
| February | 36.2 °F | 51.3 °F | 4.52 in. |
| March | 38.5 °F | 56.0 °F | 4.79 in. |
| April | 41.7 °F | 60.9 °F | 3.57 in. |
| May | 47.0 °F | 68.1 °F | 2.79 in. |
| June | 51.3 °F | 73.4 °F | 1.7 in. |
| July | 55.0 °F | 81.8 °F | 0.42 in. |
| August | 54.9 °F | 82.2 °F | 0.48 in. |
| September | 51.0 °F | 76.4 °F | 1.53 in. |
| October | 44.7 °F | 64.0 °F | 3.86 in. |
| November | 39.4 °F | 53.0 °F | 6.29 in. |
| December | 35.4 °F | 46.6 °F | 7.12 in. |
| Annual | 44.3 °F | 63.4 °F | 43.31 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |