Prospect Connecticut Climate Data

Monthly Average Climate Data for Prospect Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.3 °F34.6 °F4.08 in.
February18.9 °F37.3 °F3.53 in.
March26.4 °F45.2 °F5.13 in.
April36.7 °F58.3 °F4.37 in.
May46.8 °F69.2 °F4.52 in.
June56.0 °F77.4 °F4.6 in.
July61.2 °F82.2 °F4.4 in.
August59.9 °F80.4 °F4.28 in.
September52.8 °F73.4 °F4.76 in.
October41.8 °F61.7 °F5.63 in.
November32.3 °F50.2 °F4.4 in.
December23.3 °F39.4 °F4.75 in.
Annual39.5 °F59.1 °F54.45 in.

Climate Data for Prospect Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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