Seal Beach, CA Weather & Climate Normals
What a normal year in Seal Beach actually looks like
On the 30-year record NOAA keeps for Seal Beach, CA, the comfort score comes out to 93/100, very mild year-round: Many months fall in a comfortable temperature range with limited snow or seasonal extremes. Only 12 months a year land in the 55–75°F range this site treats as mild.
How much Seal Beach's weather actually swings
Average temperatures in Seal Beach run from 57°F in Dec up to 74°F in Aug, a 17.7°F seasonal swing, one of the smaller gaps in this dataset.
Seal Beach, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 67°F | 47°F | 2.89in |
| Feb | 67°F | 48°F | 3.02in |
| Mar | 69°F | 51°F | 1.65in |
| Apr | 71°F | 54°F | 0.56in |
| May | 73°F | 58°F | 0.26in |
| Jun | 76°F | 61°F | 0.07in |
| Jul | 81°F | 65°F | 0.05in |
| Aug | 83°F | 66°F | 0.01in |
| Sep | 82°F | 64°F | 0.08in |
| Oct | 78°F | 59°F | 0.53in |
| Nov | 73°F | 52°F | 0.75in |
| Dec | 67°F | 47°F | 2.15in |
Every month in Seal Beach falls in this site's mild range, so there's no season to specifically plan around; pack for mild weather year-round.
How wet Seal Beach actually gets
Seal Beach averages 12.02in of precipitation a year across roughly 35 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Seal Beach against the rest of the country
Out of 4876 cities scored here, Seal Beach comes in at 67; within CA alone it ranks 67 of 429. Population is about 24,421.
Checking the actual forecast
These figures come from Long Beach Daugherty Fld, CA US, the NOAA station 5.9 miles from Seal Beach, 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