Oakville Connecticut Climate Data

Monthly Average Climate Data for Oakville Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.9 °C2.3 °C93.73 mm
February-7.3 °C3.9 °C81.03 mm
March-3.3 °C8.3 °C111.76 mm
April2.4 °C15.2 °C103.38 mm
May8.2 °C21.4 °C104.65 mm
June13.3 °C25.9 °C117.09 mm
July16.3 °C28.7 °C118.87 mm
August15.4 °C27.7 °C115.57 mm
September11.4 °C23.7 °C119.13 mm
October5 °C17.2 °C136.65 mm
November-0.2 °C10.8 °C102.87 mm
December-4.6 °C4.9 °C116.33 mm
Annual4.1 °C15.8 °C1321.06 mm

Climate Data for Oakville Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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