New Preston Connecticut Climate Data

Monthly Average Climate Data for New Preston Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-8.6 °C1.7 °C86.61 mm
February-7.7 °C3.3 °C72.9 mm
March-3.7 °C7.7 °C103.12 mm
April2.1 °C14.8 °C97.03 mm
May7.9 °C20.8 °C102.62 mm
June12.9 °C25.2 °C115.06 mm
July15.9 °C27.8 °C118.11 mm
August15.2 °C26.9 °C123.19 mm
September11.1 °C22.8 °C115.32 mm
October4.7 °C16.5 °C128.27 mm
November-0.6 °C10.3 °C96.27 mm
December-5.1 °C4.3 °C109.98 mm
Annual3.7 °C15.2 °C1268.48 mm

Climate Data for New Preston 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 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 ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation