Riverton Connecticut Climate Data

Monthly Average Climate Data for Riverton Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.9 °C1.2 °C93.22 mm
February-8.2 °C2.9 °C81.79 mm
March-3.9 °C7.4 °C106.43 mm
April1.9 °C14.8 °C99.06 mm
May7.9 °C21.1 °C105.41 mm
June13.2 °C25.7 °C122.68 mm
July15.9 °C28.4 °C116.33 mm
August14.9 °C27.4 °C113.03 mm
September10.8 °C23.4 °C125.22 mm
October4.6 °C16.5 °C134.87 mm
November-0.7 °C10.1 °C99.57 mm
December-5.3 °C4.1 °C113.79 mm
Annual3.5 °C15.3 °C1311.4 mm

Climate Data for Riverton Connecticut

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 5b : -26.1°C to -23.3°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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