Canadian, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.5 °F (low) to 72.7 °F (high). Annual precipitation averages 45.9 Inches. Canadian is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.5 °F | 50.5 °F | 2.41 in. |
| February | 32.3 °F | 54.7 °F | 2.32 in. |
| March | 40.9 °F | 63.8 °F | 3.6 in. |
| April | 49.2 °F | 72.5 °F | 4.31 in. |
| May | 59.3 °F | 79.6 °F | 5.83 in. |
| June | 68.1 °F | 87.9 °F | 5.09 in. |
| July | 71.7 °F | 93.2 °F | 4.01 in. |
| August | 70.4 °F | 93.2 °F | 3.08 in. |
| September | 62.5 °F | 85.9 °F | 4.47 in. |
| October | 51.2 °F | 74.8 °F | 4.22 in. |
| November | 40.7 °F | 63.2 °F | 3.53 in. |
| December | 31.6 °F | 52.9 °F | 3.0 in. |
| Annual | 50.5 °F | 72.7 °F | 45.87 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |