San Mar Maryland Climate Data

Monthly Average Climate Data for San Mar Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.4 °C4.8 °C77.47 mm
February-3.9 °C6.8 °C62.23 mm
March0.2 °C11.5 °C91.95 mm
April5.5 °C18.4 °C96.01 mm
May10.8 °C23.3 °C109.47 mm
June15.8 °C28.1 °C95.76 mm
July18.2 °C30.6 °C94.23 mm
August17.3 °C29.6 °C86.36 mm
September13.3 °C25.7 °C103.89 mm
October7.3 °C19.3 °C91.69 mm
November1.7 °C12.8 °C81.53 mm
December-2.3 °C6.8 °C83.57 mm
Annual6.6 °C18.1 °C1074.16 mm

Climate Data for San Mar 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 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation