Fenelon Falls, Ontario climate data is summarized below. Average annual temperatures range from 33.7 °F (low) to 52.8 °F (high). Annual precipitation averages 23.8 Inches. Fenelon Falls is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25 °F | -19.9 °F | 254 in. |
| February | -25.7 °F | -20 °F | 0 in. |
| March | -22.2 °F | -16.3 °F | 736.6 in. |
| April | -17.8 °F | -11.4 °F | 1244.6 in. |
| May | -14.3 °F | -7.1 °F | 1651 in. |
| June | -11.4 °F | -4.6 °F | 2438.4 in. |
| July | -10 °F | -3.3 °F | 2616.2 in. |
| August | -10.4 °F | -3.9 °F | 2463.8 in. |
| September | -13 °F | -6.4 °F | 1676.4 in. |
| October | -15.7 °F | -10.5 °F | 1117.6 in. |
| November | -19.1 °F | -14.4 °F | 762 in. |
| December | -22.4 °F | -18.4 °F | 406.4 in. |
| Annual | 33.7 °F | 52.8 °F | 23.82 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |