Montclair, CA Weather & Climate Normals
What a normal year in Montclair actually looks like
On the 30-year record NOAA keeps for Montclair, CA, the comfort score comes out to 76/100, mild with real seasons: A solid stretch of comfortable months alongside a noticeable but not extreme summer or winter. Only 9 months a year land in the 55–75°F range this site treats as mild.
How much Montclair's weather actually swings
Average temperatures in Montclair run from 54°F in Dec up to 78°F in Aug, a 23.4°F seasonal swing, a middling gap by national standards.
How wet Montclair actually gets
Over a typical year, Montclair sees about 14.47in of precipitation a year across roughly 31 days with measurable rain or snow, with 0in of snow a year.
Montclair against the rest of the country
Out of 4876 cities scored here, Montclair comes in at 199; within CA alone it ranks 199 of 429. Population is about 37,650.
Checking the actual forecast
These figures come from POMONA/FAIRPLEX, CA US, the NOAA station 3.9 miles from Montclair, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated