Mercersville Maryland Climate Data

Monthly Average Climate Data for Mercersville Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-5.5 °C5.2 °C74.93 mm
February-4.7 °C7.3 °C60.2 mm
March-1.1 °C12.1 °C89.15 mm
April4.9 °C18.9 °C88.9 mm
May10.4 °C23.7 °C108.46 mm
June15.2 °C28.5 °C99.82 mm
July17.7 °C30.9 °C97.54 mm
August16.8 °C30.1 °C86.61 mm
September12.8 °C26.3 °C106.68 mm
October5.8 °C19.8 °C87.63 mm
November0.6 °C13.2 °C75.95 mm
December-3 °C7.2 °C84.58 mm
Annual5.8 °C18.6 °C1060.45 mm

Climate Data for Mercersville Maryland

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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