Chesapeake City, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.6 °C (low) to 18.2 °C (high). Annual precipitation averages 1192 Millimeters. Chesapeake City is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.9 °C | 5.4 °C | 85.34 mm |
| February | -3.4 °C | 6.7 °C | 73.66 mm |
| March | 0.5 °C | 11.2 °C | 106.93 mm |
| April | 6.2 °C | 17.8 °C | 95.5 mm |
| May | 11.6 °C | 23 °C | 98.3 mm |
| June | 16.8 °C | 27.8 °C | 119.89 mm |
| July | 19.7 °C | 30.3 °C | 113.54 mm |
| August | 18.7 °C | 29.2 °C | 103.38 mm |
| September | 14.9 °C | 25.9 °C | 110.24 mm |
| October | 8.2 °C | 19.4 °C | 101.09 mm |
| November | 2.6 °C | 13.3 °C | 81.03 mm |
| December | -1.2 °C | 7.8 °C | 103.12 mm |
| Annual | 7.6 °C | 18.2 °C | 1192.02 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |