Castalia North Carolina Climate Data

Monthly Average Climate Data for Castalia North Carolina

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-1.2 °C10.4 °C90.93 mm
February-0.3 °C12.3 °C72.14 mm
March3.2 °C16.3 °C106.43 mm
April8.3 °C21.9 °C89.66 mm
May13.6 °C25.9 °C90.17 mm
June18.3 °C30.1 °C111.25 mm
July20.6 °C31.9 °C125.22 mm
August19.7 °C30.8 °C127.76 mm
September16.2 °C27.7 °C139.45 mm
October9.4 °C22.3 °C87.63 mm
November3.6 °C16.8 °C83.57 mm
December0.4 °C12.2 °C86.11 mm
Annual9.3 °C21.6 °C1210.32 mm

Climate Data for Castalia North Carolina

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 8a : -12.2°C to -9.4°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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