Charlton Maryland Climate Data

Monthly Average Climate Data for Charlton Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.0 °F40.8 °F2.94 in.
February24.3 °F44.3 °F2.35 in.
March31.2 °F52.9 °F3.58 in.
April41.3 °F65.1 °F3.61 in.
May50.9 °F73.9 °F4.32 in.
June59.7 °F82.7 °F4.19 in.
July64.3 °F87.3 °F3.68 in.
August62.6 °F85.5 °F3.74 in.
September55.5 °F78.7 °F4.04 in.
October43.8 °F66.8 °F3.45 in.
November34.2 °F55.2 °F2.91 in.
December27.0 °F44.4 °F3.35 in.
Annual43.2 °F64.8 °F42.16 in.

Climate Data for Charlton Maryland

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
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