Westminster Maryland Climate Data

Monthly Average Climate Data for Westminster Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.0 °F39.7 °F3.34 in.
February25.7 °F43.1 °F2.6 in.
March32.4 °F51.9 °F3.89 in.
April42.8 °F64.6 °F3.53 in.
May52.1 °F74.1 °F4.12 in.
June61.5 °F82.5 °F3.97 in.
July66.0 °F86.9 °F4.48 in.
August64.3 °F84.8 °F3.79 in.
September57.6 °F78.1 °F4.98 in.
October46.3 °F66.1 °F3.94 in.
November36.5 °F54.4 °F3.16 in.
December29.0 °F44.1 °F3.76 in.
Annual44.9 °F64.2 °F45.56 in.

Climate Data for Westminster Maryland

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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