Barry's Bay, Ontario climate data is summarized below. Average annual temperatures range from 30.9 °F (low) to 51.5 °F (high). Annual precipitation averages 22.1 Inches. Barry's Bay is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.5 °F | -20.7 °F | 0 in. |
| February | -26.6 °F | -20.3 °F | 0 in. |
| March | -22.9 °F | -16.7 °F | 203.2 in. |
| April | -18.6 °F | -11.7 °F | 1346.2 in. |
| May | -15 °F | -7.2 °F | 1879.6 in. |
| June | -12 °F | -4.9 °F | 1803.4 in. |
| July | -10.7 °F | -3.6 °F | 2311.4 in. |
| August | -11.2 °F | -4.2 °F | 2184.4 in. |
| September | -13.8 °F | -6.7 °F | 1828.8 in. |
| October | -16.5 °F | -10.9 °F | 1828.8 in. |
| November | -19.9 °F | -14.9 °F | 863.6 in. |
| December | -24 °F | -19.3 °F | 0 in. |
| Annual | 30.9 °F | 51.5 °F | 22.08 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |