West Haven, CT Weather & Climate Normals
What a normal year in West Haven actually looks like
On the 30-year record NOAA keeps for West Haven, CT, the comfort score comes out to 51/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much West Haven's weather actually swings
Average temperatures in West Haven run from 31°F in Jan up to 74°F in Jul, a 43.3°F seasonal swing, a middling gap by national standards.
How wet West Haven actually gets
West Haven averages 41.79in of precipitation a year across roughly 124 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
West Haven against the rest of the country
Out of 4876 cities scored here, West Haven comes in at 1447; within CT alone it ranks 2 of 21. Population is about 55,379.
Checking the actual forecast
These figures come from NEW HAVEN TWEED AP, CT US, the NOAA station 4.2 miles from West Haven, 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