San Diego (La Jolla Cove) Sea Water Temperature
Warmest ocean temperatures in California with famous surf breaks and protected seal coves. Today's reading, 7-day forecast, and monthly averages below.
San Diego (La Jolla Cove) water temperature
Pleasant and revitalizing. Great for most beachgoers and active recreational swimming.
7-Day Water Temperature Forecast
San Diego (La Jolla Cove) Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in San Diego (La Jolla Cove) occurs inJul, Aug, Sep — peaking at21.6°C (70.9°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 14.2°C | 15.3°C | 16.5°C | Very Cold (< 16°C) |
| February | 14°C | 15.1°C | 16.3°C | Very Cold (< 16°C) |
| March | 14.4°C | 15.5°C | 16.7°C | Very Cold (< 16°C) |
| April | 15°C | 16.2°C | 17.6°C | Cool / Refreshing (16°C – 20°C) |
| May | 16.1°C | 17.4°C | 18.9°C | Cool / Refreshing (16°C – 20°C) |
| June | 17.5°C | 18.8°C | 20.4°C | Cool / Refreshing (16°C – 20°C) |
| July | 19.2°C | 20.8°C | 22.6°C | Comfortable (20°C – 24°C) |
| August | 20.1°C | 21.6°C | 23.4°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 19.5°C | 21°C | 22.8°C | Comfortable (20°C – 24°C) |
| October | 17.8°C | 19.3°C | 20.9°C | Cool / Refreshing (16°C – 20°C) |
| November | 15.9°C | 17.2°C | 18.6°C | Cool / Refreshing (16°C – 20°C) |
| December | 14.6°C | 15.8°C | 17°C | Very Cold (< 16°C) |
Swimming FAQs for San Diego (La Jolla Cove)
Is the sea warm enough to swim in San Diego (La Jolla Cove) today?
Typical sea surface temperature in San Diego (La Jolla Cove) this time of year is 21°C (69.8°F) — classified as Comfortable (20°C – 24°C). Pleasant and revitalizing. Great for most beachgoers and active recreational swimming. Live readings load automatically.
What are the warmest months for swimming in San Diego (La Jolla Cove)?
The highest water temperatures in San Diego (La Jolla Cove) typically occur duringJul, Aug, Sep, when monthly averages reach peak seasonal levels.
What is the typical water temperature in San Diego (La Jolla Cove) in September?
Historically in September, water temperatures in San Diego (La Jolla Cove) average around21°C (69.8°F), fluctuating between a recorded minimum of 19.5°C and a maximum of 22.8°C.