Riverton Connecticut Climate Data

Monthly Average Climate Data for Riverton Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F34.2 °F3.67 in.
February17.2 °F37.3 °F3.22 in.
March24.9 °F45.4 °F4.19 in.
April35.5 °F58.7 °F3.9 in.
May46.2 °F69.9 °F4.15 in.
June55.7 °F78.3 °F4.83 in.
July60.7 °F83.2 °F4.58 in.
August58.9 °F81.3 °F4.45 in.
September51.4 °F74.2 °F4.93 in.
October40.2 °F61.7 °F5.31 in.
November30.8 °F50.2 °F3.92 in.
December22.5 °F39.3 °F4.48 in.
Annual38.3 °F59.5 °F51.63 in.

Climate Data for Riverton Connecticut

Average First Frost DateOct. 1 - Oct. 10
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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