Tolland Connecticut Climate Data

Monthly Average Climate Data for Tolland Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.3 °C1.4 °C87.63 mm
February-7.9 °C2.8 °C77.98 mm
March-3.7 °C7.1 °C106.93 mm
April1.9 °C13.8 °C105.92 mm
May7.3 °C19.7 °C91.69 mm
June12.6 °C24.3 °C112.52 mm
July15.7 °C27.2 °C102.36 mm
August14.7 °C26.3 °C114.3 mm
September10.8 °C22.6 °C116.33 mm
October4.6 °C16.1 °C125.48 mm
November-0.4 °C10.1 °C95.76 mm
December-4.7 °C4.6 °C111.76 mm
Annual3.6 °C14.7 °C1248.66 mm

Climate Data for Tolland Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -20.6°C to -17.8°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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