Hastings, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.3 °C (low) to 24 °C (high). Annual precipitation averages 831.9 Millimeters. Hastings is located in USDA Plant Hardiness Zone 8a. 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 | -1.7 °C | 12.1 °C | 36.32 mm |
| February | 0.3 °C | 14.2 °C | 43.94 mm |
| March | 5 °C | 19.1 °C | 68.07 mm |
| April | 9.3 °C | 23.7 °C | 76.45 mm |
| May | 15.2 °C | 28.1 °C | 110.24 mm |
| June | 20.1 °C | 32.6 °C | 98.55 mm |
| July | 22.1 °C | 35.5 °C | 58.93 mm |
| August | 21.6 °C | 35.5 °C | 68.33 mm |
| September | 17.3 °C | 31 °C | 83.06 mm |
| October | 10.6 °C | 24.9 °C | 83.06 mm |
| November | 4.4 °C | 18.2 °C | 55.12 mm |
| December | -0.7 °C | 12.6 °C | 49.78 mm |
| Annual | 10.3 °C | 24 °C | 831.85 mm |
| 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |