Namu, British Columbia climate data is summarized below. Average annual temperatures range from 5.1 °C (low) to 10.4 °C (high). Annual precipitation averages 2841 Millimeters. 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 | 1.21 °C | 5.24 °C | 330 mm |
| February | 1.39 °C | 6.17 °C | 264 mm |
| March | 1.72 °C | 6.69 °C | 283 mm |
| April | 3.01 °C | 8.99 °C | 201 mm |
| May | 5.92 °C | 12.36 °C | 107 mm |
| June | 8.17 °C | 13.98 °C | 125 mm |
| July | 10.54 °C | 16.62 °C | 90 mm |
| August | 10.63 °C | 17.19 °C | 112 mm |
| September | 9.14 °C | 15.2 °C | 226 mm |
| October | 6.45 °C | 11.03 °C | 362 mm |
| November | 2.77 °C | 6.88 °C | 399 mm |
| December | 0.51 °C | 4.3 °C | 342 mm |
| Annual | 5.1 °C | 10.4 °C | 2841 mm |
| 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 |