Nanton, Alberta climate data is summarized below. Average annual temperatures range from -0.8 °C (low) to 11.2 °C (high). Annual precipitation averages 369 Millimeters. Nanton is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.91 °C | -0.66 °C | 0 mm |
| February | -9.92 °C | 0.66 °C | 0 mm |
| March | -5.52 °C | 5.44 °C | 0 mm |
| April | -1.85 °C | 10.57 °C | 29 mm |
| May | 3.29 °C | 16.13 °C | 75 mm |
| June | 7.71 °C | 20.05 °C | 102 mm |
| July | 11 °C | 24.42 °C | 53 mm |
| August | 9.56 °C | 23.94 °C | 36 mm |
| September | 5.06 °C | 19.69 °C | 40 mm |
| October | 0.12 °C | 12.62 °C | 34 mm |
| November | -6.1 °C | 4.24 °C | 0 mm |
| December | -12.43 °C | -2.19 °C | 0 mm |
| Annual | -0.8 °C | 11.2 °C | 369 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Abnormally Dry |