Fontas, British Columbia climate data is summarized below. Average annual temperatures range from 24.4 °F (low) to 41.5 °F (high). Annual precipitation averages 13.7 Inches. Fontas is located in USDA Plant Hardiness Zone 3a. 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 | -28.8 °F | -24 °F | 0 in. |
| February | -27.6 °F | -22.3 °F | 0 in. |
| March | -25.7 °F | -20.8 °F | 0 in. |
| April | -19.6 °F | -14.9 °F | 482.6 in. |
| May | -16.2 °F | -9.4 °F | 1295.4 in. |
| June | -13.4 °F | -6.4 °F | 1727.2 in. |
| July | -12 °F | -5.3 °F | 2438.4 in. |
| August | -13 °F | -6.4 °F | 1320.8 in. |
| September | -15.3 °F | -10 °F | 990.6 in. |
| October | -18.2 °F | -14.4 °F | 558.8 in. |
| November | -24.1 °F | -20.7 °F | 0 in. |
| December | -27.8 °F | -23.6 °F | 0 in. |
| Annual | 24.4 °F | 41.5 °F | 13.68 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 3a : -40°F to -35°F |
| Current Drought Conditions | Normal |