March weather forecastPorto do Son, Spain
March
Weather in March
Sea temperature
March is the month with the coldest seawater in Porto do Son, Spain, with an average sea temperature of 13.3°C (55.9°F).Note: Unprotected swimming in 13.3°C (55.9°F) is dangerous due to potential cold shock. Especially when temperatures go below 10°C (50°F), leading to hyperventilation.
Daylight
The average length of the day in March is 11h and 57min.On the first day of March, sunrise is at 08:10 and sunset at 19:25. On the last day of the month, sunrise is at 07:18 and sunset at 20:01 CET.
Updated: Jun 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average sea temperature of 13.3°C (55.9°F), March is the month with the coldest seawater.
In Porto do Son, the average seawater temperature in March is 13.3°C (55.9°F). Swimming in 13.3°C (55.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
The average day length in March is 11h and 57min.
On the first day of March, sunrise is at 08:10 and sunset at 19:25. On the last day of the month, sunrise is at 07:18 and sunset at 20:01 CET.
Average sea temperature in March
Porto do Son, Spain
- Average sea temperature in March: 13.3°C
The best months for swimming (with the highest average sea temperature) are August and September (18.2°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in March
Porto do Son, Spain
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).





