Guthrie, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.7 °C (low) to 22.2 °C (high). Annual precipitation averages 920 Millimeters. Guthrie 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 | -4.1 °C | 9.5 °C | 29.97 mm |
| February | -2.3 °C | 11.4 °C | 40.13 mm |
| March | 2.7 °C | 16.9 °C | 66.8 mm |
| April | 7.6 °C | 22.1 °C | 105.92 mm |
| May | 13.6 °C | 26.5 °C | 120.14 mm |
| June | 19.2 °C | 31.3 °C | 123.19 mm |
| July | 21.5 °C | 34.4 °C | 81.03 mm |
| August | 20.6 °C | 34.2 °C | 86.87 mm |
| September | 16.1 °C | 29.9 °C | 83.06 mm |
| October | 9 °C | 23.3 °C | 86.11 mm |
| November | 2.6 °C | 16.6 °C | 54.1 mm |
| December | -2.7 °C | 10.1 °C | 42.67 mm |
| Annual | 8.7 °C | 22.2 °C | 919.99 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |