Ballinafad, Ontario climate data is summarized below. Average annual temperatures range from 37.8 °F (low) to 54.2 °F (high). Annual precipitation averages 33.4 Inches. 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 | -23 °F | -19.1 °F | 355.6 in. |
| February | -23.6 °F | -19.2 °F | 330.2 in. |
| March | -20.5 °F | -15.4 °F | 1270 in. |
| April | -16.9 °F | -11.2 °F | 2082.8 in. |
| May | -13.3 °F | -7.2 °F | 2819.4 in. |
| June | -10.5 °F | -4.7 °F | 2641.6 in. |
| July | -9.1 °F | -3.2 °F | 2717.8 in. |
| August | -9.4 °F | -3.7 °F | 3149.6 in. |
| September | -11.7 °F | -6 °F | 1930.4 in. |
| October | -14.8 °F | -10 °F | 1879.6 in. |
| November | -18 °F | -13.8 °F | 1320.8 in. |
| December | -20.9 °F | -17.6 °F | 1041.4 in. |
| Annual | 37.8 °F | 54.2 °F | 33.37 in. |
| 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 : -15°F to -10°F |
| Current Drought Conditions | Normal |