Emeryville, Ontario climate data is summarized below. Average annual temperatures range from 43.6 °F (low) to 56.4 °F (high). Annual precipitation averages 22.9 Inches. Emeryville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.7 °F | -18.3 °F | 482.6 in. |
| February | -22.2 °F | -18.4 °F | 254 in. |
| March | -18.7 °F | -14.4 °F | 1016 in. |
| April | -15.4 °F | -10.8 °F | 1524 in. |
| May | -11.9 °F | -7.2 °F | 1803.4 in. |
| June | -8.5 °F | -4.2 °F | 1854.2 in. |
| July | -7 °F | -2.8 °F | 1651 in. |
| August | -7.2 °F | -3.2 °F | 1524 in. |
| September | -9.4 °F | -5.4 °F | 1625.6 in. |
| October | -12.8 °F | -9 °F | 1092.2 in. |
| November | -16.3 °F | -12.9 °F | 1117.6 in. |
| December | -19.2 °F | -16.5 °F | 812.8 in. |
| Annual | 43.6 °F | 56.4 °F | 22.86 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Normal |