Temagami, Ontario climate data is summarized below. Average annual temperatures range from -0.9 °C (low) to 9.2 °C (high). Annual precipitation averages 682 Millimeters. Temagami is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -17.48 °C | -7.83 °C | 0 mm |
| February | -17.56 °C | -7.23 °C | 0 mm |
| March | -10.5 °C | -0.23 °C | 5 mm |
| April | -2.47 °C | 7.78 °C | 53 mm |
| May | 5.39 °C | 17.54 °C | 75 mm |
| June | 10.88 °C | 22.38 °C | 89 mm |
| July | 13.47 °C | 24.66 °C | 111 mm |
| August | 13.04 °C | 23.56 °C | 110 mm |
| September | 8.1 °C | 18.85 °C | 94 mm |
| October | 2.79 °C | 11.22 °C | 108 mm |
| November | -3.47 °C | 3.95 °C | 37 mm |
| December | -12.6 °C | -4.36 °C | 0 mm |
| Annual | -0.9 °C | 9.2 °C | 682 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |