New Britain Connecticut Climate Data

Monthly Average Climate Data for New Britain Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.2 °F36.3 °F3.88 in.
February20.4 °F39.0 °F3.44 in.
March28.0 °F46.9 °F4.16 in.
April38.2 °F59.4 °F4.14 in.
May48.5 °F70.2 °F3.86 in.
June57.9 °F78.7 °F4.91 in.
July63.4 °F84.2 °F4.16 in.
August61.7 °F82.4 °F4.35 in.
September54.3 °F75.2 °F4.61 in.
October42.8 °F63.2 °F5.44 in.
November33.1 °F51.8 °F3.97 in.
December25.1 °F41.6 °F4.74 in.
Annual41.1 °F60.7 °F51.66 in.

Climate Data for New Britain 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 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation