Fordwich, Ontario climate data is summarized below. Average annual temperatures range from 2.2 °C (low) to 11.6 °C (high). Annual precipitation averages 322 Millimeters. Fordwich is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.21 °C | -3.19 °C | 0 mm |
| February | -12.04 °C | -3.71 °C | 0 mm |
| March | -6.18 °C | 3.28 °C | 22 mm |
| April | 0.59 °C | 11.25 °C | 20 mm |
| May | 7.04 °C | 18.59 °C | 37 mm |
| June | 11.84 °C | 23.02 °C | 53 mm |
| July | 13.89 °C | 25.23 °C | 63 mm |
| August | 13.62 °C | 24.45 °C | 68 mm |
| September | 9.72 °C | 20.43 °C | 32 mm |
| October | 4.96 °C | 13.43 °C | 13 mm |
| November | -0.71 °C | 6.59 °C | 10 mm |
| December | -6.15 °C | -0.14 °C | 4 mm |
| Annual | 2.2 °C | 11.6 °C | 322 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |