Beach

San Onofre State Beach

San Diego County, United States · sea 21.2 °C at its warmest, in August

See it on the map Wikipedia Wikidata OpenStreetMap

San Onofre State Beach — Photo: California State Parks · Attribution · Wikimedia Commons

Sea temperature month by month

15.2Jan

15.2Feb

15.4Mar

16.1Apr

17.4May

18.8Jun

20.6Jul

21.2Aug

20.9Sep

19.6Oct

17.7Nov

16Dec

Monthly means in °C, NOAA OISST v2.1 climatology 1991–2020.

About

San Onofre State Beach (San Onofre, Spanish for "St. Onuphrius") is a 3,000-acre (1,214 ha) state park in San Diego County, California.

Questions

How warm is the sea at San Onofre State Beach?

The sea off San Onofre State Beach averages 21.2 °C at its warmest, in August, and 15.2 °C at its coolest. These are monthly means from NOAA's OISST v2.1 satellite and buoy record for 1991 to 2020, sampled at the beach's own coordinates.

When can you swim at San Onofre State Beach?

The sea reaches 20 °C or more from July to September. Twenty degrees is where most swimmers stop calling water cold; below it, a wetsuit helps.

Where is San Onofre State Beach?

San Onofre State Beach is on the coast of San Diego County, United States, at 33.3792, -117.5730. The map on this site flies straight to it.