Boonsboro Maryland Climate Data

Monthly Average Climate Data for Boonsboro Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.0 °F40.8 °F3.06 in.
February25.1 °F44.4 °F2.47 in.
March32.3 °F52.7 °F3.64 in.
April41.9 °F65.2 °F3.8 in.
May51.6 °F73.9 °F4.33 in.
June60.4 °F82.5 °F3.75 in.
July64.7 °F87.0 °F3.7 in.
August63.1 °F85.3 °F3.37 in.
September56.1 °F78.4 °F4.07 in.
October45.2 °F66.8 °F3.6 in.
November34.9 °F55.1 °F3.25 in.
December27.8 °F44.3 °F3.27 in.
Annual43.9 °F64.7 °F42.31 in.

Climate Data for Boonsboro 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 6b : -5°F to 0°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation