Port Gibson Mississippi Climate Data

Monthly Average Climate Data for Port Gibson Mississippi

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January2.3 °C13.9 °C146.81 mm
February3.9 °C16.4 °C136.4 mm
March7.9 °C20.8 °C145.03 mm
April11.9 °C24.8 °C138.94 mm
May16.8 °C28.7 °C113.03 mm
June20.7 °C31.9 °C117.35 mm
July22.1 °C33.2 °C114.81 mm
August21.6 °C33.4 °C99.82 mm
September18.3 °C30.9 °C97.03 mm
October11.8 °C25.8 °C100.08 mm
November6.4 °C19.7 °C119.13 mm
December3.4 °C15.3 °C136.65 mm
Annual12.3 °C24.6 °C1465.08 mm

Climate Data for Port Gibson Mississippi

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : -9.4°C to -6.7°C
Plant Hardiness Zone - 2012Zone 8a : -12.2°C to -9.4°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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