Preston Maryland Climate Data

Monthly Average Climate Data for Preston Maryland

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January27.4 °F44.5 °F3.35 in.
February28.4 °F47.2 °F2.84 in.
March34.8 °F54.8 °F4.06 in.
April44.7 °F66.5 °F3.54 in.
May54.4 °F75.2 °F3.72 in.
June63.7 °F84.1 °F4.19 in.
July68.4 °F88.3 °F4.12 in.
August66.1 °F86.1 °F4.59 in.
September59.7 °F80.4 °F3.79 in.
October48.7 °F69.6 °F3.89 in.
November38.4 °F58.3 °F3.12 in.
December31.7 °F48.9 °F3.75 in.
Annual47.2 °F67 °F44.96 in.

Climate Data for Preston Maryland

Average First Frost DateDec. 1 - Dec. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness ZoneZone 7b : 5°F to 10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate