New Preston Connecticut Climate Data

Monthly Average Climate Data for New Preston Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.5 °F35.1 °F3.41 in.
February18.2 °F38.0 °F2.87 in.
March25.4 °F45.8 °F4.06 in.
April35.8 °F58.7 °F3.82 in.
May46.2 °F69.4 °F4.04 in.
June55.2 °F77.3 °F4.53 in.
July60.6 °F82.1 °F4.65 in.
August59.3 °F80.4 °F4.85 in.
September52.0 °F73.1 °F4.54 in.
October40.5 °F61.7 °F5.05 in.
November31.0 °F50.6 °F3.79 in.
December22.9 °F39.7 °F4.33 in.
Annual38.6 °F59.3 °F49.94 in.

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 : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation