Clinton Connecticut Climate Data

Monthly Average Climate Data for Clinton Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.4 °C3.9 °C94.49 mm
February-4 °C4.7 °C84.33 mm
March-0.7 °C8.3 °C117.09 mm
April4.3 °C14.7 °C116.84 mm
May9.2 °C19.9 °C95.76 mm
June14.7 °C24.7 °C109.22 mm
July18.5 °C27.9 °C87.38 mm
August18.3 °C27 °C105.92 mm
September14.4 °C24.2 °C110.49 mm
October8.9 °C18.2 °C119.13 mm
November3.7 °C12.2 °C101.09 mm
December-1.1 °C6.9 °C115.32 mm
Annual6.8 °C16.1 °C1257.06 mm

Climate Data for Clinton Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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