San Mar Maryland Climate Data

Monthly Average Climate Data for San Mar Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.0 °F40.7 °F3.05 in.
February24.9 °F44.3 °F2.45 in.
March32.3 °F52.7 °F3.62 in.
April41.9 °F65.1 °F3.78 in.
May51.5 °F73.9 °F4.31 in.
June60.5 °F82.6 °F3.77 in.
July64.8 °F87.0 °F3.71 in.
August63.1 °F85.3 °F3.4 in.
September56.0 °F78.3 °F4.09 in.
October45.2 °F66.7 °F3.61 in.
November35.0 °F55.1 °F3.21 in.
December27.8 °F44.3 °F3.29 in.
Annual43.9 °F64.7 °F42.29 in.

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 : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation