May weather forecastRianxo, Spain
May
Weather in May
Sea temperature
In May, the average sea temperature in Rianxo, Spain, is 15.3°C (59.5°F).Note: Most individuals do not find swimming at 15.3°C (59.5°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
In Rianxo, the average length of the day in May is 14h and 38min.On the first day of May, sunrise is at 07:28 and sunset at 21:35. On the last day of the month, sunrise is at 07:00 and sunset at 22:05 CEST.
Updated: Jan 30, 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
In Rianxo, Spain, the average seawater temperature in May is 15.3°C (59.5°F). For swimming, a surface water temperature of 15.3°C (59.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
In May, the average day length is 14h and 38min.
On the first day of May in Rianxo, Spain, sunrise is at 07:28 and sunset at 21:35. On the last day of the month, sunrise is at 07:00 and sunset at 22:05 CEST.
Average sea temperature in May
Rianxo, Spain
- Average sea temperature in May: 15.3°C
The best months for swimming (with the highest average sea temperature) are August and September (18.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).
Average daylight in May
Rianxo, Spain
- Average daylight in May: 14h and 36min
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).





