Nanton, Alberta climate data is summarized below. Average annual temperatures range from 30.5 °F (low) to 52.2 °F (high). Annual precipitation averages 14.5 Inches. 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 | -23.8 °F | -18.1 °F | 0 in. |
| February | -23.3 °F | -17.4 °F | 0 in. |
| March | -20.8 °F | -14.8 °F | 0 in. |
| April | -18.8 °F | -11.9 °F | 736.6 in. |
| May | -16 °F | -8.8 °F | 1905 in. |
| June | -13.5 °F | -6.6 °F | 2590.8 in. |
| July | -11.7 °F | -4.2 °F | 1346.2 in. |
| August | -12.5 °F | -4.5 °F | 914.4 in. |
| September | -15 °F | -6.8 °F | 1016 in. |
| October | -17.7 °F | -10.8 °F | 863.6 in. |
| November | -21.2 °F | -15.4 °F | 0 in. |
| December | -24.7 °F | -19 °F | 0 in. |
| Annual | 30.5 °F | 52.2 °F | 14.53 in. |
| 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 : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |