Dayville Connecticut Climate Data

Monthly Average Climate Data for Dayville Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.1 °C2.7 °C97.79 mm
February-7.2 °C4.2 °C86.11 mm
March-3.1 °C8.3 °C115.82 mm
April2.4 °C15.4 °C114.05 mm
May8 °C21.2 °C88.9 mm
June13 °C25.7 °C106.68 mm
July16.6 °C28.6 °C96.52 mm
August15.4 °C27.5 °C110.24 mm
September11.4 °C23.7 °C107.44 mm
October5.5 °C17.3 °C123.19 mm
November-0.2 °C11.3 °C101.35 mm
December-4.7 °C5.6 °C118.62 mm
Annual4.1 °C16 °C1266.71 mm

Climate Data for Dayville 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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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