Miocene, British Columbia climate data is summarized below. Average annual temperatures range from 28.9 °F (low) to 48.2 °F (high). Annual precipitation averages 18.7 Inches. Miocene is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around July 21 - July 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24 °F | -19.7 °F | 0 in. |
| February | -23.5 °F | -17.9 °F | 228.6 in. |
| March | -22.1 °F | -16 °F | 406.4 in. |
| April | -19.6 °F | -13.2 °F | 1143 in. |
| May | -16.5 °F | -9.5 °F | 1549.4 in. |
| June | -14.4 °F | -7.7 °F | 2057.4 in. |
| July | -12.9 °F | -5.4 °F | 1549.4 in. |
| August | -13.4 °F | -5.4 °F | 1016 in. |
| September | -15.9 °F | -8.5 °F | 1473.2 in. |
| October | -17.9 °F | -12.7 °F | 1625.6 in. |
| November | -21.1 °F | -17.5 °F | 1016 in. |
| December | -24 °F | -19.9 °F | 0 in. |
| Annual | 28.9 °F | 48.2 °F | 18.68 in. |
| Average First Frost Date | July 21 - July 31 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Moderate Drought |