Mud River, British Columbia climate data is summarized below. Average annual temperatures range from 30 °F (low) to 46.5 °F (high). Annual precipitation averages 21.2 Inches. Mud River is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.2 °F | -19.6 °F | 0 in. |
| February | -22.7 °F | -18.7 °F | 101.6 in. |
| March | -21.6 °F | -16.6 °F | 406.4 in. |
| April | -18.9 °F | -13.5 °F | 1168.4 in. |
| May | -16.4 °F | -9.8 °F | 1676.4 in. |
| June | -14.2 °F | -8.1 °F | 2159 in. |
| July | -12.8 °F | -6.1 °F | 1828.8 in. |
| August | -13.3 °F | -6.3 °F | 1524 in. |
| September | -15.4 °F | -9.3 °F | 1676.4 in. |
| October | -17.6 °F | -13.5 °F | 2057.4 in. |
| November | -20.8 °F | -17.8 °F | 1092.2 in. |
| December | -23.6 °F | -20.1 °F | 0 in. |
| Annual | 30 °F | 46.5 °F | 21.22 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Normal |