Brea, CA Weather & Climate Normals
Brea's real weather, in one number
Brea, CA scores 78/100 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. 9 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Brea's hottest and coldest months
Brea's hottest month is Aug, averaging 77°F; its coldest is Dec, averaging 59°F, a 18°F swing across the year, one of the smaller gaps in this dataset.
Rain and snow in Brea
Brea averages 13.52in of precipitation a year across roughly 35 days with measurable rain or snow, and 0in of snow a year.
Where Brea ranks
Brea ranks 152 of 4876 US cities in this dataset for comfort score, and 152 of 429 within CA. About 47,844 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from ANAHEIM, CA US, 4.4 miles from Brea, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure