Fenelon Falls, Ontario climate data is summarized below. Average annual temperatures range from 1 °C (low) to 11.6 °C (high). Annual precipitation averages 605 Millimeters. 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 | -13 °C | -3.83 °C | 10 mm |
| February | -14.21 °C | -3.97 °C | 0 mm |
| March | -7.91 °C | 2.6 °C | 29 mm |
| April | -0.02 °C | 11.41 °C | 49 mm |
| May | 6.33 °C | 19.31 °C | 65 mm |
| June | 11.54 °C | 23.64 °C | 96 mm |
| July | 14 °C | 26.07 °C | 103 mm |
| August | 13.35 °C | 24.98 °C | 97 mm |
| September | 8.52 °C | 20.51 °C | 66 mm |
| October | 3.69 °C | 13.05 °C | 44 mm |
| November | -2.3 °C | 6.07 °C | 30 mm |
| December | -8.37 °C | -1.14 °C | 16 mm |
| Annual | 1 °C | 11.6 °C | 605 mm |
| 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 : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |