Costa Rei Sea Water Temperature
A mild beach on the Tyrrhenian Sea, warmest around August at about 26.1°C. Today's reading, 7-day forecast, and monthly averages below.
Costa Rei water temperature
Ideal swimming conditions. Feels soothing and warm, perfect for hours in the water without getting cold.
7-Day Water Temperature Forecast
Costa Rei Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Costa Rei occurs inJuly, August, September — peaking at26.1°C (79°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 | 13.6°C | 14.7°C | 16.7°C | Very Cold (< 16°C) |
| February | 13.3°C | 14.2°C | 15.3°C | Very Cold (< 16°C) |
| March | 12.9°C | 14.2°C | 15.7°C | Very Cold (< 16°C) |
| April | 13.5°C | 15.4°C | 17.4°C | Very Cold (< 16°C) |
| May | 15.8°C | 18.1°C | 21.3°C | Cool / Refreshing (16°C – 20°C) |
| June | 19.3°C | 22°C | 24.8°C | Comfortable (20°C – 24°C) |
| July | 23.4°C | 24.9°C | 27.9°C | Warm & Ideal (24°C – 28°C) |
| August | 23.4°C | 26.1°C | 29°C | Warm & Ideal (24°C – 28°C) |
| SeptemberCurrent | 21.5°C | 24.8°C | 27.2°C | Warm & Ideal (24°C – 28°C) |
| October | 20.5°C | 22.3°C | 25°C | Comfortable (20°C – 24°C) |
| November | 17.1°C | 19.1°C | 22.2°C | Cool / Refreshing (16°C – 20°C) |
| December | 14.9°C | 16.3°C | 18.3°C | Cool / Refreshing (16°C – 20°C) |
Swimming FAQs for Costa Rei
Is the sea warm enough to swim in Costa Rei today?
Typical sea surface temperature in Costa Rei this time of year is 24.8°C (76.6°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 Costa Rei?
The highest water temperatures in Costa Rei typically occur duringJuly, August, September, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Costa Rei in September?
Historically in September, water temperatures in Costa Rei average around24.8°C (76.6°F), fluctuating between a recorded minimum of 21.5°C and a maximum of 27.2°C.