Fairview, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.5 °C (low) to 22.5 °C (high). Annual precipitation averages 751.9 Millimeters. Fairview 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 | -4.1 °C | 9.3 °C | 21.84 mm |
| February | -2.4 °C | 11.4 °C | 30.99 mm |
| March | 2.4 °C | 17.1 °C | 54.86 mm |
| April | 7.1 °C | 22 °C | 70.87 mm |
| May | 13.2 °C | 27.2 °C | 99.31 mm |
| June | 19 °C | 32.7 °C | 104.9 mm |
| July | 21.6 °C | 35.6 °C | 70.87 mm |
| August | 20.6 °C | 34.7 °C | 85.6 mm |
| September | 16.1 °C | 30.3 °C | 67.06 mm |
| October | 9.1 °C | 23.3 °C | 69.09 mm |
| November | 2.3 °C | 16 °C | 41.66 mm |
| December | -2.9 °C | 9.8 °C | 34.8 mm |
| Annual | 8.5 °C | 22.5 °C | 751.85 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 |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |