Corriganville, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 65 °F (high). Annual precipitation averages 40.3 Inches. Corriganville is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.6 °F | 40.2 °F | 2.58 in. |
| February | 25.0 °F | 43.9 °F | 2.6 in. |
| March | 31.4 °F | 52.7 °F | 3.58 in. |
| April | 40.7 °F | 66.7 °F | 3.53 in. |
| May | 50.1 °F | 75.3 °F | 4.51 in. |
| June | 59.0 °F | 82.9 °F | 4.14 in. |
| July | 63.1 °F | 87.3 °F | 3.6 in. |
| August | 61.5 °F | 85.7 °F | 3.15 in. |
| September | 54.6 °F | 79.2 °F | 3.69 in. |
| October | 43.1 °F | 67.4 °F | 3.02 in. |
| November | 33.7 °F | 54.7 °F | 2.75 in. |
| December | 27.6 °F | 44.3 °F | 3.15 in. |
| Annual | 42.8 °F | 65 °F | 40.3 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |