ClimateAverages

Danbury Climate

Connecticut, United States of America · population 84,657 · 649 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
14.9°C
Warmest month · July
27.8°C
Typical daytime high
Coldest month · January
-8.2°C
Typical overnight low

Danbury has an average annual daytime high of 14.9°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 27.8°C, and its coldest is January, with overnight lows near -8.2°C.

Month by month averages

MonthAvg highAvg low
January1.1°C-8.2°CColdest
February2.5°C-7.5°C
March7.3°C-2.8°C
April14.6°C2.4°C
May20.6°C7.9°C
June25.3°C13.0°C
July27.8°C15.8°CWarmest
August26.8°C15.3°C
September22.8°C11.2°C
October16.8°C5.1°C
November10.1°C0.4°C
December3.2°C-5.7°C

Temperature range across the year

-10°-0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.4°C vs. 1951–1980
Coldest year on record
1783
-2.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Danbury getting hotter?

Since 1900, Danbury's average temperature has risen by +1.9°C. Compared to the earliest station records that begin in 1750, warming totals +2.5°C.

8.8°9.5°10.1°10.8°11.4°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to October

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Danbury?

Danbury's average annual daytime high is 14.9°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 27.8°C, and the coldest is January, with lows averaging -8.2°C.

What is the warmest month in Danbury?

July is the warmest month in Danbury, with typical daytime highs of 27.8°C.

What is the hottest year on record for Danbury?

2011 is the hottest year on record for Danbury, running +2.4°C above the 1951 to 1980 baseline.

Is Danbury getting hotter?

Yes. Since 1900, Danbury has warmed by roughly +1.9°C.

When is the best time to visit Danbury?

May to October typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.