Grafton, WI Weather & Climate Normals
What a normal year in Grafton actually looks like
On the 30-year record NOAA keeps for Grafton, WI, 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 Grafton's weather actually swings
Average temperatures in Grafton run from 24°F in Jan up to 72°F in Jul, a 48.1°F seasonal swing, one of the widest gaps in this dataset.
How wet Grafton actually gets
Grafton averages 35.51in of precipitation a year across roughly 0 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Grafton against the rest of the country
Out of 4876 cities scored here, Grafton comes in at 2168; within WI alone it ranks 8 of 157. Population is about 12,741.
Checking the actual forecast
These figures come from GRAFTON WWTP, WI US, the NOAA station 1.0 miles from Grafton, 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