Pickering, Ontario climate data is summarized below. Average annual temperatures range from 3.8 °C (low) to 12.8 °C (high). Annual precipitation averages 937 Millimeters. Pickering is located in USDA Plant Hardiness Zone 6b. 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 | -8.82 °C | -1.41 °C | 22 mm |
| February | -9.88 °C | -1.75 °C | 19 mm |
| March | -4.25 °C | 4.77 °C | 68 mm |
| April | 2.27 °C | 12.04 °C | 97 mm |
| May | 8.53 °C | 19.15 °C | 99 mm |
| June | 13.6 °C | 23.85 °C | 120 mm |
| July | 16.22 °C | 26.66 °C | 110 mm |
| August | 15.69 °C | 25.83 °C | 115 mm |
| September | 11.25 °C | 21.36 °C | 74 mm |
| October | 5.88 °C | 14.21 °C | 89 mm |
| November | 0.13 °C | 7.79 °C | 67 mm |
| December | -4.83 °C | 1.42 °C | 57 mm |
| Annual | 3.8 °C | 12.8 °C | 937 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |