Sunnyvale, TX Weather & Climate Normals
What a normal year in Sunnyvale actually looks like
On the 30-year record NOAA keeps for Sunnyvale, TX, the comfort score comes out to 47/100, 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 Sunnyvale's weather actually swings
Average temperatures in Sunnyvale run from 44°F in Jan up to 83°F in Aug, a 39.2°F seasonal swing, a middling gap by national standards.
How wet Sunnyvale actually gets
Over a typical year, Sunnyvale sees about 39.79in of precipitation a year across roughly 88 days with measurable rain or snow, with 0.2in of snow a year.
Sunnyvale against the rest of the country
Out of 4876 cities scored here, Sunnyvale comes in at 2772; within TX alone it ranks 333 of 384. Population is about 8,839.
Checking the actual forecast
These figures come from LAVON DAM, TX US, the NOAA station 16.8 miles from Sunnyvale, 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