Pickering, Ontario climate data is summarized below. Average annual temperatures range from 38.9 °F (low) to 55.1 °F (high). Annual precipitation averages 36.9 Inches. 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 | -22.7 °F | -18.6 °F | 558.8 in. |
| February | -23.3 °F | -18.8 °F | 482.6 in. |
| March | -20.1 °F | -15.1 °F | 1727.2 in. |
| April | -16.5 °F | -11.1 °F | 2463.8 in. |
| May | -13 °F | -7.1 °F | 2514.6 in. |
| June | -10.2 °F | -4.5 °F | 3048 in. |
| July | -8.8 °F | -3 °F | 2794 in. |
| August | -9.1 °F | -3.4 °F | 2921 in. |
| September | -11.5 °F | -5.9 °F | 1879.6 in. |
| October | -14.5 °F | -9.9 °F | 2260.6 in. |
| November | -17.7 °F | -13.5 °F | 1701.8 in. |
| December | -20.5 °F | -17 °F | 1447.8 in. |
| Annual | 38.9 °F | 55.1 °F | 36.89 in. |
| 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 : -5°F to 0°F |
| Current Drought Conditions | Normal |