Putnam Connecticut Climate Data

Monthly Average Climate Data for Putnam Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C2.5 °C98.81 mm
February-7.9 °C3.8 °C86.11 mm
March-3.7 °C8.1 °C113.03 mm
April1.8 °C15.2 °C113.28 mm
May7.3 °C21.1 °C87.88 mm
June12.4 °C25.5 °C108.97 mm
July15.9 °C28.4 °C100.08 mm
August14.6 °C27.4 °C108.2 mm
September10.8 °C23.6 °C108.46 mm
October4.7 °C17.2 °C122.68 mm
November-0.9 °C11.1 °C102.36 mm
December-5.4 °C5.4 °C118.87 mm
Annual3.4 °C15.8 °C1268.73 mm

Climate Data for Putnam 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 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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