Miocene, British Columbia climate data is summarized below. Average annual temperatures range from -1.7 °C (low) to 9 °C (high). Annual precipitation averages 475 Millimeters. 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 | -11.19 °C | -3.38 °C | 0 mm |
| February | -10.22 °C | -0.18 °C | 9 mm |
| March | -7.79 °C | 3.23 °C | 16 mm |
| April | -3.23 °C | 8.33 °C | 45 mm |
| May | 2.38 °C | 14.96 °C | 61 mm |
| June | 6.16 °C | 18.09 °C | 81 mm |
| July | 8.79 °C | 22.29 °C | 61 mm |
| August | 7.81 °C | 22.2 °C | 40 mm |
| September | 3.47 °C | 16.76 °C | 58 mm |
| October | -0.13 °C | 9.19 °C | 64 mm |
| November | -5.92 °C | 0.53 °C | 40 mm |
| December | -11.19 °C | -3.88 °C | 0 mm |
| Annual | -1.7 °C | 9 °C | 475 mm |
| 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 : -34.4°C to -31.7°C |
| Current Drought Conditions | Moderate Drought |