Salina, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.6 °F (low) to 70.5 °F (high). Annual precipitation averages 45.9 Inches. Salina is located in USDA Plant Hardiness Zone 7a. 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 | 25.1 °F | 47.4 °F | 2.27 in. |
| February | 28.7 °F | 52.1 °F | 2.23 in. |
| March | 37.1 °F | 61.3 °F | 3.7 in. |
| April | 46.2 °F | 70.6 °F | 4.59 in. |
| May | 56.6 °F | 78.0 °F | 6.2 in. |
| June | 65.8 °F | 86.2 °F | 4.84 in. |
| July | 70.1 °F | 91.7 °F | 4.09 in. |
| August | 68.4 °F | 91.5 °F | 3.58 in. |
| September | 60.0 °F | 83.9 °F | 4.23 in. |
| October | 48.1 °F | 72.8 °F | 4.07 in. |
| November | 37.2 °F | 61.0 °F | 3.38 in. |
| December | 28.4 °F | 50.0 °F | 2.69 in. |
| Annual | 47.6 °F | 70.5 °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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |