New Britain, CT Weather & Climate Normals
What a normal year in New Britain actually looks like
On the 30-year record NOAA keeps for New Britain, CT, the comfort score comes out to 44/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much New Britain's weather actually swings
Average temperatures in New Britain run from 29°F in Jan up to 75°F in Jul, a 46.6°F seasonal swing, one of the widest gaps in this dataset.
New Britain, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 37°F | 20°F | 2.94in |
| Feb | 40°F | 22°F | 2.57in |
| Mar | 48°F | 30°F | 3.51in |
| Apr | 60°F | 40°F | 3.79in |
| May | 71°F | 50°F | 3.43in |
| Jun | 80°F | 60°F | 3.88in |
| Jul | 85°F | 66°F | 3.87in |
| Aug | 83°F | 64°F | 3.48in |
| Sep | 76°F | 56°F | 3.97in |
| Oct | 64°F | 44°F | 4.2in |
| Nov | 52°F | 35°F | 3.44in |
| Dec | 42°F | 26°F | 3.75in |
If you're timing a visit, May, Jun, Aug, and Sep are New Britain's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet New Britain actually gets
New Britain averages 42.83in of precipitation a year across roughly 129 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
New Britain against the rest of the country
Out of 4876 cities scored here, New Britain comes in at 3673; within CT alone it ranks 19 of 21. Population is about 75,871.
Checking the actual forecast
These figures come from Hartford Brainard Fld, CT US, the NOAA station 8.1 miles from New Britain, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is