ClimateAverages

New Britain Climate

Connecticut, United States of America · population 72,808 · 717 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
15.4°C
Warmest month · July
28.3°C
Typical daytime high
Coldest month · January
-8.2°C
Typical overnight low

New Britain has an average annual daytime high of 15.4°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 28.3°C, and its coldest is January, with overnight lows near -8.2°C.

Month by month averages

MonthAvg highAvg low
January1.5°C-8.2°CColdest
February2.9°C-7.5°C
March7.7°C-2.7°C
April15.0°C2.5°C
May21.1°C7.9°C
June25.8°C13.1°C
July28.3°C15.9°CWarmest
August27.3°C15.3°C
September23.2°C11.0°C
October17.3°C4.9°C
November10.6°C0.4°C
December3.6°C-5.8°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 New Britain getting hotter?

Since 1900, New Britain's average temperature has risen by +2.0°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
April to October

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

FAQ

What is the average temperature in New Britain?

New Britain's average annual daytime high is 15.4°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 28.3°C, and the coldest is January, with lows averaging -8.2°C.

What is the warmest month in New Britain?

July is the warmest month in New Britain, with typical daytime highs of 28.3°C.

What is the hottest year on record for New Britain?

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

Is New Britain getting hotter?

Yes. Since 1900, New Britain has warmed by roughly +2.0°C.

When is the best time to visit New Britain?

April 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.