Bala, Ontario climate data is summarized below. Average annual temperatures range from 0.8 °C (low) to 10.9 °C (high). Annual precipitation averages 686 Millimeters. Bala is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -13.52 °C | -4.04 °C | 0 mm |
| February | -15.09 °C | -4.25 °C | 0 mm |
| March | -8.26 °C | 2.34 °C | 29 mm |
| April | -0.93 °C | 10.34 °C | 65 mm |
| May | 5.37 °C | 17.59 °C | 73 mm |
| June | 10.87 °C | 22.1 °C | 83 mm |
| July | 13.84 °C | 24.68 °C | 85 mm |
| August | 13.38 °C | 24.12 °C | 87 mm |
| September | 9.17 °C | 19.96 °C | 83 mm |
| October | 4.31 °C | 13.04 °C | 109 mm |
| November | -1.44 °C | 6.38 °C | 61 mm |
| December | -8.5 °C | -1.1 °C | 11 mm |
| Annual | 0.8 °C | 10.9 °C | 686 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |