Bayfield, Colorado has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from 30.9 °F (low) to 62.6 °F (high). Annual precipitation averages 15.3 Inches. Bayfield is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.1 °F | 39.7 °F | 1.49 in. |
| February | 15.6 °F | 44.0 °F | 1.3 in. |
| March | 22.8 °F | 53.1 °F | 0.99 in. |
| April | 28.5 °F | 60.8 °F | 0.92 in. |
| May | 36.3 °F | 70.1 °F | 0.85 in. |
| June | 43.7 °F | 81.7 °F | 0.42 in. |
| July | 51.8 °F | 86.0 °F | 1.38 in. |
| August | 50.5 °F | 83.4 °F | 1.75 in. |
| September | 42.8 °F | 76.5 °F | 1.91 in. |
| October | 31.9 °F | 64.6 °F | 1.76 in. |
| November | 21.9 °F | 51.3 °F | 1.17 in. |
| December | 13.3 °F | 40.4 °F | 1.31 in. |
| Annual | 30.9 °F | 62.6 °F | 15.25 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |