Plainville Connecticut Climate Data

Monthly Average Climate Data for Plainville Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.9 °F36.2 °F3.88 in.
February20.2 °F38.9 °F3.48 in.
March27.6 °F46.8 °F4.25 in.
April38.0 °F59.5 °F4.16 in.
May48.3 °F70.3 °F3.83 in.
June57.7 °F78.8 °F4.87 in.
July63.1 °F84.3 °F4.2 in.
August61.4 °F82.5 °F4.48 in.
September54.0 °F75.4 °F4.7 in.
October42.5 °F63.3 °F5.59 in.
November32.8 °F51.8 °F4.08 in.
December24.8 °F41.5 °F4.87 in.
Annual40.8 °F60.8 °F52.39 in.

Climate Data for Plainville 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 : -5°F to 0°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