Ballinafad, Ontario climate data is summarized below. Average annual temperatures range from 3.3 °C (low) to 12.3 °C (high). Annual precipitation averages 848 Millimeters. Ballinafad is located in USDA Plant Hardiness Zone 5b. 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 | -9.41 °C | -2.36 °C | 14 mm |
| February | -10.4 °C | -2.64 °C | 13 mm |
| March | -4.84 °C | 4.26 °C | 50 mm |
| April | 1.52 °C | 11.78 °C | 82 mm |
| May | 7.98 °C | 18.98 °C | 111 mm |
| June | 13.03 °C | 23.55 °C | 104 mm |
| July | 15.61 °C | 26.29 °C | 107 mm |
| August | 15 °C | 25.41 °C | 124 mm |
| September | 10.96 °C | 21.18 °C | 76 mm |
| October | 5.41 °C | 13.94 °C | 74 mm |
| November | -0.39 °C | 7.2 °C | 52 mm |
| December | -5.53 °C | 0.32 °C | 41 mm |
| Annual | 3.3 °C | 12.3 °C | 848 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |