Haliburton, Ontario climate data is summarized below. Average annual temperatures range from 31.2 °F (low) to 51.5 °F (high). Annual precipitation averages 25.1 Inches. Haliburton is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.9 °F | -20.3 °F | 0 in. |
| February | -26.7 °F | -20.2 °F | 0 in. |
| March | -22.9 °F | -16.6 °F | 508 in. |
| April | -18.7 °F | -12 °F | 1574.8 in. |
| May | -14.9 °F | -7.3 °F | 1828.8 in. |
| June | -12 °F | -5 °F | 2032 in. |
| July | -10.8 °F | -3.7 °F | 2438.4 in. |
| August | -11.2 °F | -4.4 °F | 2184.4 in. |
| September | -13.7 °F | -6.8 °F | 2133.6 in. |
| October | -16.3 °F | -10.9 °F | 2286 in. |
| November | -19.8 °F | -14.8 °F | 1219.2 in. |
| December | -23.4 °F | -18.9 °F | 0 in. |
| Annual | 31.2 °F | 51.5 °F | 25.12 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |