Middletown Connecticut Climate Data

Monthly Average Climate Data for Middletown Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.8 °F36.5 °F3.79 in.
February21.1 °F38.9 °F3.3 in.
March28.8 °F46.8 °F4.46 in.
April38.8 °F59.3 °F4.23 in.
May48.8 °F69.9 °F3.78 in.
June58.2 °F78.5 °F4.93 in.
July63.8 °F83.9 °F4.18 in.
August62.2 °F82.3 °F4.26 in.
September54.8 °F75.2 °F4.57 in.
October43.1 °F63.2 °F5.33 in.
November33.5 °F52.0 °F3.99 in.
December25.3 °F41.9 °F4.59 in.
Annual41.5 °F60.7 °F51.41 in.

Climate Data for Middletown Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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