Naples Sea Water Temperature
Sophisticated Paradise Coast haven known for calm waters, dolphin spotting, and sunsets. Today's reading, 7-day forecast, and monthly averages below.
Naples water temperature
Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling.
7-Day Water Temperature Forecast
Naples Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Naples occurs inApr, May, Jun, Jul, Aug, Sep, Oct, Nov — peaking at30.9°C (87.6°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 | 18.5°C | 20.2°C | 21.9°C | Comfortable (20°C – 24°C) |
| February | 19°C | 20.7°C | 22.5°C | Comfortable (20°C – 24°C) |
| March | 21.1°C | 22.9°C | 24.8°C | Comfortable (20°C – 24°C) |
| April | 23.8°C | 25.5°C | 27.1°C | Warm & Ideal (24°C – 28°C) |
| May | 26.4°C | 27.9°C | 29.4°C | Warm & Ideal (24°C – 28°C) |
| June | 28.6°C | 29.8°C | 30.9°C | Tropical Warm (> 28°C) |
| July | 29.6°C | 30.7°C | 31.7°C | Tropical Warm (> 28°C) |
| August | 29.8°C | 30.9°C | 31.9°C | Tropical Warm (> 28°C) |
| SeptemberCurrent | 28.9°C | 30°C | 31°C | Tropical Warm (> 28°C) |
| October | 26°C | 27.5°C | 29°C | Warm & Ideal (24°C – 28°C) |
| November | 22.6°C | 24.3°C | 26.1°C | Warm & Ideal (24°C – 28°C) |
| December | 19.8°C | 21.6°C | 23.5°C | Comfortable (20°C – 24°C) |
Swimming FAQs for Naples
Is the sea warm enough to swim in Naples today?
Typical sea surface temperature in Naples this time of year is 30°C (86°F) — classified as Tropical Warm (> 28°C). Very warm bath-like water. Zero chill, exceptional for relaxation and snorkeling. Live readings load automatically.
What are the warmest months for swimming in Naples?
The highest water temperatures in Naples typically occur duringApr, May, Jun, Jul, Aug, Sep, Oct, Nov, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Naples in September?
Historically in September, water temperatures in Naples average around30°C (86.0°F), fluctuating between a recorded minimum of 28.9°C and a maximum of 31°C.