Niantic Connecticut Climate Data

Monthly Average Climate Data for Niantic Connecticut

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.4 °C3.7 °C96.52 mm
February-3.9 °C4.6 °C85.09 mm
March-0.7 °C7.9 °C120.9 mm
April4.3 °C13.3 °C117.6 mm
May9.3 °C18.3 °C96.27 mm
June14.7 °C23.3 °C104.65 mm
July18.4 °C26.6 °C85.34 mm
August18.1 °C25.9 °C99.57 mm
September14.8 °C22.9 °C108.97 mm
October9.1 °C17.2 °C120.65 mm
November3.7 °C11.9 °C102.62 mm
December-0.9 °C6.8 °C120.65 mm
Annual6.9 °C15.2 °C1258.83 mm

Climate Data for Niantic 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 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6b : -20.6°C to -17.8°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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