North Cobalt, Ontario climate data is summarized below. Average annual temperatures range from -1.4 °C (low) to 8.3 °C (high). Annual precipitation averages 652 Millimeters. North Cobalt is located in USDA Plant Hardiness Zone 3b. 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 | -18.27 °C | -8.71 °C | 0 mm |
| February | -18.2 °C | -8.07 °C | 0 mm |
| March | -11.11 °C | -0.76 °C | 6 mm |
| April | -2.89 °C | 7.2 °C | 50 mm |
| May | 4.69 °C | 16.73 °C | 67 mm |
| June | 10.26 °C | 21.34 °C | 75 mm |
| July | 12.96 °C | 23.41 °C | 103 mm |
| August | 12.41 °C | 22.49 °C | 110 mm |
| September | 7.77 °C | 17.9 °C | 89 mm |
| October | 2.38 °C | 10.43 °C | 110 mm |
| November | -3.62 °C | 3.28 °C | 42 mm |
| December | -12.97 °C | -5.17 °C | 0 mm |
| Annual | -1.4 °C | 8.3 °C | 652 mm |
| 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 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |