Oceanside, CA Weather & Climate Normals
What a normal year in Oceanside actually looks like
On the 30-year record NOAA keeps for Oceanside, CA, the comfort score comes out to 78/100, 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 Oceanside's weather actually swings
Average temperatures in Oceanside run from 53°F in Dec up to 70°F in Aug, a 17.2°F seasonal swing, one of the smaller gaps in this dataset.
How wet Oceanside actually gets
Oceanside averages 11.86in of precipitation a year across roughly 54 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Oceanside against the rest of the country
Out of 4876 cities scored here, Oceanside comes in at 142; within CA alone it ranks 142 of 429. Population is about 170,941.
Checking the actual forecast
These figures come from OCEANSIDE MUNI AP, CA US, the NOAA station 2.5 miles from Oceanside, 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