Port Gibson Mississippi Climate Data

Monthly Average Climate Data for Port Gibson Mississippi

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January36.2 °F57.0 °F5.78 in.
February39.0 °F61.6 °F5.37 in.
March46.2 °F69.4 °F5.71 in.
April53.5 °F76.6 °F5.47 in.
May62.2 °F83.6 °F4.45 in.
June69.3 °F89.4 °F4.62 in.
July71.8 °F91.7 °F4.52 in.
August70.8 °F92.1 °F3.93 in.
September64.9 °F87.6 °F3.82 in.
October53.3 °F78.5 °F3.94 in.
November43.6 °F67.5 °F4.69 in.
December38.2 °F59.5 °F5.38 in.
Annual54.1 °F76.2 °F57.68 in.

Climate Data for Port Gibson Mississippi

Average First Frost DateNov. 11 - Nov. 20
Average Last Frost DateMar. 11 - Mar. 20
Average Days With Frost30-40 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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