Prospect Connecticut Climate Data

Monthly Average Climate Data for Prospect Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.2 °C1.4 °C103.63 mm
February-7.3 °C2.9 °C89.66 mm
March-3.1 °C7.3 °C130.3 mm
April2.6 °C14.6 °C111 mm
May8.2 °C20.7 °C114.81 mm
June13.3 °C25.2 °C116.84 mm
July16.2 °C27.9 °C111.76 mm
August15.5 °C26.9 °C108.71 mm
September11.6 °C23 °C120.9 mm
October5.4 °C16.5 °C143 mm
November0.2 °C10.1 °C111.76 mm
December-4.8 °C4.1 °C120.65 mm
Annual4.1 °C15.1 °C1383.02 mm

Climate Data for Prospect Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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