| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.2 °C | 9.1 °C | 305.05 mm |
| February | 3.8 °C | 10.2 °C | 185.42 mm |
| March | 4.6 °C | 11.4 °C | 230.38 mm |
| April | 5.9 °C | 13 °C | 155.7 mm |
| May | 8.3 °C | 15.1 °C | 86.87 mm |
| June | 10.3 °C | 16.8 °C | 66.8 mm |
| July | 11.9 °C | 18.4 °C | 29.97 mm |
| August | 11.9 °C | 19.3 °C | 41.91 mm |
| September | 10.9 °C | 18.9 °C | 74.93 mm |
| October | 8.3 °C | 15.6 °C | 206.5 mm |
| November | 5.7 °C | 11.6 °C | 303.28 mm |
| December | 3.8 °C | 8.9 °C | 314.2 mm |
| Annual | 45.5 °C | 57.3 °C | 78.78 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |