Campbell, CA Weather & Climate Normals
Campbell's real weather, in one number
Campbell, CA scores 68/100 on this site's reading of NOAA's own 30-year normals: mild with real seasons. A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. 7 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Campbell's hottest and coldest months
Campbell's hottest month is Jul, averaging 70°F; its coldest is Dec, averaging 49°F, a 21.8°F swing across the year, a middling gap by national standards.
Rain and snow in Campbell
Campbell averages 22.19in of precipitation a year across roughly 56 days with measurable rain or snow, and 0in of snow a year.
Where Campbell ranks
Campbell ranks 256 of 4876 US cities in this dataset for comfort score, and 249 of 429 within CA. About 42,895 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from LOS GATOS, CA US, 3.4 miles from Campbell, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station