Thurmont Maryland Climate Data

Monthly Average Climate Data for Thurmont Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.6 °C4.6 °C85.34 mm
February-3.8 °C6.5 °C65.79 mm
March-0.1 °C11.3 °C96.27 mm
April5.5 °C18.2 °C103.12 mm
May10.9 °C23.1 °C109.22 mm
June15.9 °C27.8 °C103.63 mm
July18.5 °C30.3 °C99.57 mm
August17.4 °C29.2 °C90.68 mm
September13.6 °C25.6 °C120.9 mm
October7.4 °C19.2 °C96.52 mm
November1.7 °C12.7 °C84.84 mm
December-2.1 °C6.9 °C91.95 mm
Annual6.7 °C18 °C1147.83 mm

Climate Data for Thurmont 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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