Long Beach Sea Water Temperature
A tropical beach on the Coastal Waters, warmest around April at about 28.1°C. Today's reading, 7-day forecast, and monthly averages below.
Long Beach water temperature
Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.
7-Day Water Temperature Forecast
Long Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Long Beach occurs inJanuary, February, March, April, May, June, July, August, September, October, November, December — peaking at28.1°C (82.6°F) in April.
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 | 24.9°C | 26°C | 27.2°C | Warm & Ideal (24°C – 28°C) |
| February | 26.3°C | 27.1°C | 28°C | Warm & Ideal (24°C – 28°C) |
| March | 26.7°C | 27.9°C | 29°C | Warm & Ideal (24°C – 28°C) |
| April | 27.3°C | 28.1°C | 29.5°C | Tropical Warm (> 28°C) |
| May | 26.8°C | 27.8°C | 28.8°C | Warm & Ideal (24°C – 28°C) |
| June | 25.6°C | 26.9°C | 27.9°C | Warm & Ideal (24°C – 28°C) |
| July | 24.7°C | 25.9°C | 27.4°C | Warm & Ideal (24°C – 28°C) |
| August | 23.2°C | 24.8°C | 26.2°C | Warm & Ideal (24°C – 28°C) |
| SeptemberCurrent | 23.8°C | 24.4°C | 25.4°C | Warm & Ideal (24°C – 28°C) |
| October | 23.8°C | 24.4°C | 25.8°C | Warm & Ideal (24°C – 28°C) |
| November | 23.9°C | 24.7°C | 26.1°C | Warm & Ideal (24°C – 28°C) |
| December | 24.3°C | 25.3°C | 26.4°C | Warm & Ideal (24°C – 28°C) |
Swimming FAQs for Long Beach
Is the sea warm enough to swim in Long Beach today?
Typical sea surface temperature in Long Beach this time of year is 24.4°C (75.9°F) — classified as Warm & Ideal (24°C – 28°C). Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold. Live readings load automatically.
What are the warmest months for swimming in Long Beach?
The highest water temperatures in Long Beach typically occur duringJanuary, February, March, April, May, June, July, August, September, October, November, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Long Beach in September?
Historically in September, water temperatures in Long Beach average around24.4°C (75.9°F), fluctuating between a recorded minimum of 23.8°C and a maximum of 25.4°C.