Temagami, Ontario climate data is summarized below. Average annual temperatures range from 30.4 °F (low) to 48.6 °F (high). Annual precipitation averages 26.9 Inches. 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 | -27.5 °F | -22.1 °F | 0 in. |
| February | -27.5 °F | -21.8 °F | 0 in. |
| March | -23.6 °F | -17.9 °F | 127 in. |
| April | -19.2 °F | -13.5 °F | 1346.2 in. |
| May | -14.8 °F | -8 °F | 1905 in. |
| June | -11.7 °F | -5.3 °F | 2260.6 in. |
| July | -10.3 °F | -4.1 °F | 2819.4 in. |
| August | -10.5 °F | -4.7 °F | 2794 in. |
| September | -13.3 °F | -7.3 °F | 2387.6 in. |
| October | -16.2 °F | -11.5 °F | 2743.2 in. |
| November | -19.7 °F | -15.6 °F | 939.8 in. |
| December | -24.8 °F | -20.2 °F | 0 in. |
| Annual | 30.4 °F | 48.6 °F | 26.85 in. |
| 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 : -35°F to -30°F |
| Current Drought Conditions | Normal |