Crisfield, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.7 °C (low) to 19.5 °C (high). Annual precipitation averages 1110 Millimeters. Crisfield is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.5 °C | 7.8 °C | 77.98 mm |
| February | 0 °C | 8.9 °C | 74.42 mm |
| March | 3.6 °C | 12.5 °C | 103.63 mm |
| April | 8.8 °C | 18.9 °C | 84.07 mm |
| May | 14.3 °C | 23.6 °C | 88.39 mm |
| June | 19.4 °C | 28.1 °C | 97.54 mm |
| July | 22.3 °C | 30.6 °C | 107.19 mm |
| August | 21.4 °C | 29.6 °C | 115.57 mm |
| September | 18.2 °C | 26.8 °C | 101.85 mm |
| October | 12.1 °C | 21.1 °C | 97.79 mm |
| November | 6.2 °C | 15.1 °C | 74.93 mm |
| December | 2.2 °C | 10.4 °C | 86.61 mm |
| Annual | 10.7 °C | 19.5 °C | 1109.97 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |