North Johns, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.8 °C (low) to 23.9 °C (high). Annual precipitation averages 1458 Millimeters. North Johns 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 | 0.8 °C | 12.9 °C | 138.68 mm |
| February | 2.3 °C | 15.4 °C | 139.7 mm |
| March | 5.9 °C | 19.8 °C | 141.48 mm |
| April | 9.8 °C | 24.3 °C | 129.54 mm |
| May | 14.9 °C | 28.2 °C | 109.22 mm |
| June | 19.1 °C | 31.5 °C | 123.95 mm |
| July | 20.9 °C | 33.2 °C | 122.17 mm |
| August | 20.6 °C | 32.9 °C | 108.97 mm |
| September | 17.4 °C | 30.5 °C | 109.98 mm |
| October | 10.9 °C | 24.9 °C | 83.31 mm |
| November | 5.1 °C | 18.7 °C | 119.13 mm |
| December | 2.1 °C | 14.2 °C | 131.83 mm |
| Annual | 10.8 °C | 23.9 °C | 1457.96 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 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |