Namu, British Columbia climate data is summarized below. Average annual temperatures range from 41.2 °F (low) to 50.7 °F (high). Annual precipitation averages 111.8 Inches. Namu is located in USDA Plant Hardiness Zone . The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -17.1 °F | -14.9 °F | 8382 in. |
| February | -17 °F | -14.4 °F | 6705.6 in. |
| March | -16.8 °F | -14.1 °F | 7188.2 in. |
| April | -16.1 °F | -12.8 °F | 5105.4 in. |
| May | -14.5 °F | -10.9 °F | 2717.8 in. |
| June | -13.2 °F | -10 °F | 3175 in. |
| July | -11.9 °F | -8.5 °F | 2286 in. |
| August | -11.9 °F | -8.2 °F | 2844.8 in. |
| September | -12.7 °F | -9.3 °F | 5740.4 in. |
| October | -14.2 °F | -11.7 °F | 9194.8 in. |
| November | -16.2 °F | -14 °F | 10134.6 in. |
| December | -17.5 °F | -15.4 °F | 8686.8 in. |
| Annual | 41.2 °F | 50.7 °F | 111.83 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | |
| Current Drought Conditions | Normal |