Capreol, Ontario climate data is summarized below. Average annual temperatures range from -1.6 °C (low) to 9.2 °C (high). Annual precipitation averages 628 Millimeters. Capreol is located in USDA Plant Hardiness Zone 4a. 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 | -17.26 °C | -7.44 °C | 0 mm |
| February | -17.59 °C | -6.69 °C | 0 mm |
| March | -10.74 °C | 0.84 °C | 10 mm |
| April | -2.59 °C | 8.47 °C | 55 mm |
| May | 4.61 °C | 17.58 °C | 71 mm |
| June | 9.93 °C | 22.2 °C | 79 mm |
| July | 11.93 °C | 24.33 °C | 87 mm |
| August | 11.34 °C | 23.11 °C | 99 mm |
| September | 6.71 °C | 18.46 °C | 83 mm |
| October | 1.47 °C | 10.75 °C | 102 mm |
| November | -4.63 °C | 3.52 °C | 42 mm |
| December | -12.41 °C | -4.25 °C | 0 mm |
| Annual | -1.6 °C | 9.2 °C | 628 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |