Weatheo

Danbury Weather by Month

Average temperatures, rainfall and humidity for Danbury, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Danbury month looks like before you travel — then check the live Danbury forecast for the days ahead.

Warmest month

July

29°C average high

Coolest month

January

-4°C average low

Wettest month

July

101 mm of rain

Driest month

February

49 mm of rain

Average temperature and rainfall in Danbury by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January3°C-4°C-19°C / 19°C
53 mm
69%14 km/h
February5°C-3°C-20°C / 21°C
49 mm
68%14 km/h
March9°C1°C-15°C / 26°C
65 mm
64%15 km/h
April15°C6°C-4°C / 31°C
80 mm
64%13 km/h
May21°C11°C0°C / 34°C
90 mm
69%11 km/h
June26°C16°C6°C / 37°C
89 mm
72%10 km/h
July29°C20°C12°C / 38°C
101 mm
75%9 km/h
August28°C19°C11°C / 35°C
91 mm
75%9 km/h
September24°C15°C4°C / 33°C
83 mm
76%10 km/h
October18°C10°C-2°C / 31°C
95 mm
75%11 km/h
November11°C3°C-11°C / 26°C
73 mm
69%12 km/h
December6°C0°C-15°C / 20°C
94 mm
74%12 km/h

Best time to visit Danbury

The most comfortable time to visit Danbury is generally May to June and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 963 mm a year.

Travellers who prefer heat should aim for July, when highs average 29°C. July is the month to avoid if rain would spoil your plans — it averages 101 mm, roughly 2× the rainfall of the driest month (February).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Danbury forecast for what is happening now.