Derby, CT Weather & Climate Normals
What a normal year in Derby actually looks like
On the 30-year record NOAA keeps for Derby, CT, the comfort score comes out to 49/100, 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 Derby's weather actually swings
Average temperatures in Derby run from 27°F in Jan up to 73°F in Jul, a 45.4°F seasonal swing, one of the widest gaps in this dataset.
How wet Derby actually gets
Derby averages 52.03in of precipitation a year across roughly 106 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Derby against the rest of the country
Out of 4876 cities scored here, Derby comes in at 2166; within CT alone it ranks 14 of 21. Population is about 12,915.
Checking the actual forecast
These figures come from ANSONIA 1 NE, CT US, the NOAA station 1.7 miles from Derby, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station