Seneca, SC Weather & Climate Normals
What a normal year in Seneca actually looks like
On the 30-year record NOAA keeps for Seneca, SC, the comfort score comes out to 48/100, 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 Seneca's weather actually swings
Average temperatures in Seneca run from 43°F in Jan up to 79°F in Jul, a 36.5°F seasonal swing, a middling gap by national standards.
How wet Seneca actually gets
Seneca averages 48.99in of precipitation a year across roughly 127 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Seneca against the rest of the country
Out of 4876 cities scored here, Seneca comes in at 2438; within SC alone it ranks 39 of 66. Population is about 9,202.
Checking the actual forecast
These figures come from CLEMSON OCONEE CO AP, SC US, the NOAA station 4.5 miles from Seneca, 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