North Branford Connecticut Climate Data

Monthly Average Climate Data for North Branford Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.4 °F36.7 °F3.96 in.
February21.6 °F39.1 °F3.38 in.
March28.7 °F46.9 °F4.89 in.
April38.5 °F58.8 °F4.47 in.
May48.3 °F69.5 °F3.96 in.
June57.8 °F78.0 °F4.24 in.
July63.7 °F83.3 °F3.52 in.
August62.3 °F81.6 °F4.03 in.
September55.0 °F74.8 °F4.47 in.
October43.6 °F63.2 °F5.13 in.
November33.9 °F52.0 °F3.94 in.
December26.1 °F42.0 °F4.57 in.
Annual41.7 °F60.5 °F50.56 in.

Climate Data for North Branford Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year