Erwin, TN Weather & Climate Normals
What a normal year in Erwin actually looks like
On the 30-year record NOAA keeps for Erwin, TN, the comfort score comes out to 56/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 6 months a year land in the 55–75°F range this site treats as mild.
How much Erwin's weather actually swings
Average temperatures in Erwin run from 36°F in Jan up to 74°F in Jul, a 37.9°F seasonal swing, a middling gap by national standards.
How wet Erwin actually gets
Over a typical year, Erwin sees about 47in of precipitation a year across roughly 138 days with measurable rain or snow, with 9.3in of snow a year.
Erwin against the rest of the country
Out of 4876 cities scored here, Erwin comes in at 811; within TN alone it ranks 11 of 104. Population is about 6,020.
Checking the actual forecast
These figures come from ERWIN 1 W, TN US, the NOAA station 0.8 miles from Erwin, 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