Portsmouth Virginia Climate Data

Monthly Average Climate Data for Portsmouth Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January33.4 °F50.8 °F3.56 in.
February34.7 °F53.3 °F2.83 in.
March41.1 °F59.7 °F3.97 in.
April50.3 °F69.4 °F3.61 in.
May59.1 °F76.9 °F4.23 in.
June67.7 °F84.2 °F4.79 in.
July72.2 °F88.5 °F5.36 in.
August70.9 °F86.5 °F5.68 in.
September66.1 °F81.1 °F5.38 in.
October54.7 °F71.7 °F4.16 in.
November43.9 °F62.2 °F3.37 in.
December37.4 °F54.5 °F3.58 in.
Annual52.6 °F69.9 °F50.52 in.

Climate Data for Portsmouth Virginia

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMar. 21 - Mar. 31
Average Days With Frost40-50 Days
Plant Hardiness Zone - 2023Zone 8b : 15°F to 20°F
Plant Hardiness Zone - 2012Zone 8a : 10°F to 15°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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