Danbury Connecticut Climate Data

Monthly Average Climate Data for Danbury Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.8 °F36.1 °F3.92 in.
February20.4 °F38.9 °F3.0 in.
March27.6 °F46.7 °F4.12 in.
April38.0 °F59.5 °F3.95 in.
May48.0 °F70.2 °F3.8 in.
June57.4 °F78.4 °F4.64 in.
July62.9 °F83.5 °F4.55 in.
August61.3 °F81.6 °F4.71 in.
September53.9 °F74.5 °F4.8 in.
October42.3 °F62.9 °F4.8 in.
November32.5 °F51.6 °F4.19 in.
December24.7 °F40.8 °F4.53 in.
Annual40.7 °F60.4 °F51.01 in.

Climate Data for Danbury Connecticut

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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