Stafford Connecticut Climate Data

Monthly Average Climate Data for Stafford Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.7 °C1.2 °C87.63 mm
February-8.5 °C2.4 °C76.2 mm
March-4.1 °C6.8 °C102.87 mm
April1.7 °C13.8 °C104.65 mm
May7.4 °C19.7 °C91.95 mm
June12.7 °C24.3 °C114.81 mm
July15.9 °C27.2 °C102.11 mm
August14.9 °C26.2 °C113.54 mm
September10.8 °C22.4 °C116.33 mm
October4.4 °C15.8 °C128.02 mm
November-0.8 °C9.7 °C95 mm
December-5.1 °C4.2 °C112.27 mm
Annual3.4 °C14.5 °C1245.38 mm

Climate Data for Stafford Connecticut

Average First Frost DateOct. 11 - Oct. 20
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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