Frederick Maryland Climate Data

Monthly Average Climate Data for Frederick Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.4 °F41.2 °F2.92 in.
February25.9 °F44.4 °F2.38 in.
March32.4 °F53.3 °F3.57 in.
April42.4 °F65.8 °F3.35 in.
May52.4 °F74.6 °F4.14 in.
June61.5 °F83.2 °F3.9 in.
July66.5 °F87.9 °F4.58 in.
August64.4 °F85.8 °F3.05 in.
September57.2 °F79.0 °F4.52 in.
October45.8 °F67.4 °F3.65 in.
November35.2 °F55.8 °F3.02 in.
December29.0 °F45.6 °F3.62 in.
Annual44.8 °F65.3 °F42.7 in.

Climate Data for Frederick 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 7b : 5°F to 10°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